Here are the past Sentinels of Safety Winners:
| YEAR | CATEGORY | MINE NAME | COMPANY NAME | TOWN | STATE | HOURS |
| 2021 | LARGE BANK OR PIT | All American Aggregates | All American Asphalt | Corona | California | 89,273 |
| 2021 | LARGE COAL PROCESSING | Elk Creek Processing | Ramaco Resources | Lexington | Kentucky | 199,202 |
| 2021 | LARGE DREDGE | DTM GEN 6 Proppants LLC | DTM Louisiana Gathering | Mansfield | Louisiana | 122,391 |
| 2021 | LARGE METAL/NONMETAL MILL | Northshore Mine | Cleveland-Cliffs | Silver Bay | Minnesota | 681,074 |
| 2021 | LARGE OPEN PIT | Phoenix Mine | Nevada Gold Mines | Elko | Nevada | 585,027 |
| 2021 | LARGE QUARRY | Pennsuco Quary | Titan America | Medley | Florida | 432,158 |
| 2021 | LARGE SURFACE COAL | Navajo Mine | Navajo Transitional Energy Company | Broomfield | Colorado | 689,836 |
| 2021 | LARGE UNDERGROUND COAL | Foidel Creek Mine | Peabody | Saint Louis | Missouri | 207825 |
| 2021 | LARGE UNDERGROUND METAL | Lee Smith Mine | Small Mine Development, LLC | Boise | Idaho | 247,400 |
| 2021 | LARGE UNDERGROUND NONMETAL | Intrepid Potash East | Intrepid Potash-New Mexico | Carlsbad | New Mexico | 132,770 |
| 2021 | SMALL BANK OR PIT | Minnesota Portable #1 | Martin Marietta | Maple Grove | Minnesota | 10,445 |
| 2021 | SMALL COAL PROCESSING | Shoal Creek Mine | Peabody | Saint Louis | Missouri | 23,376 |
| 2021 | SMALL DREDGE | Raccoon River Sand & Gravel | Martin Marietta | Des Moines | Iowa | 11,289 |
| 2021 | SMALL METAL/NONMETAL MILL | Laurel Quarry | Lehigh Hanson | Somerset | Kentucky | 22,965 |
| 2021 | SMALL OPEN PIT | Minnesota Reclamation Crew | Martin Marietta | Maple Grove | Minnesota | 15,190 |
| 2021 | SMALL QUARRY | Portable Crusher | ROBCO Inc. | Grants Pass | Oregon | 13,149 |
| 2021 | SMALL SURFACE COAL | Humphrey No. 7 Mine | LP Mineral LLC | Morgantown | West Virginia | 26,286 |
| 2021 | SMALL UNDERGROUND COAL | Straight Creek Mine | Covol Fuels No.3 LLC | Pineville | Kentucky | 84,271 |
| 2021 | SMALL UNDERGROUND METAL | Fire Creek | Hecla Nevada | Winnemucca | Nevada | 30,184 |
| 2021 | SMALL UNDERGROUND NONMETAL | Pride of America Mine | Colorado Stone Quarries | Marble | Colorado | 41,195 |
| 2020 | LARGE BANK OR PIT | Tabasco Pit | Upper Valley Materials, LLC | Penitas | Texas | 163,518 |
| 2020 | LARGE COAL PROCESSING | No. 7 Mine | Warrior Met Coal, Inc. | Brookwood | Alabama | 223,452 |
| 2020 | LARGE DREDGE | Briggs Plant | Fordyce Holdings Inc. | Victoria | Texas | 252,137 |
| 2020 | LARGE METAL/NONMETAL MILL | Freeport-McMoRan Chino Mines Company | Freeport-McMoRan Inc. | Bayard | New Mexico | 487,245 |
| 2020 | LARGE OPEN PIT | Goldstrike Mine | Nevada Gold Mines LLC | Carlin | Nevada | 916,569 |
| 2020 | LARGE QUARRY | Pennsuco Quarry | Titan Florida LLC | Medley | Florida | 393,825 |
| 2020 | LARGE SURFACE COAL | San Miguel Lignite Mine | NACG Texas, Inc. | Christine | Texas | 470,304 |
| 2020 | LARGE UNDERGROUND COAL | Century Mine | Belmont County Coal Resources, Inc. | Beallsville | Ohio | 319,604 |
| 2020 | LARGE UNDERGROUND METAL | Cortez District | Nevada Gold Mines LLC | Crescent Valley | Nevada | 435,765 |
| 2020 | LARGE UNDERGROUND NONMETAL | Intrepid Potash – East | Intrepid Potash – New Mexico, LLC | Carlsbad | New Mexico | 128,552 |
| 2020 | SMALL BANK OR PIT | Odessa Sand, Stone, Gravel | Lavette Development Corp. | Ithaca | New York | 10,199 |
| 2020 | SMALL COAL PROCESSING | Buckskin Mine | Buckskin Mining Company | Gillette | Wyoming | 21,245 |
| 2020 | SMALL DREDGE | Riverside Plant #11 | Holliday Sand & Gravel | Lenexa | Kansas | 11,266 |
| 2020 | SMALL METAL/NONMETAL MILL | Portage Operation | O-N Minerals Portage Company, LLC | Portage | Indiana | 22,250 |
| 2020 | SMALL OPEN PIT | L R Chapman Inc. | L R Chapman inc. | Lewisport | Kentucky | 15,708 |
| 2020 | SMALL QUARRY | Yard 99 – Ashkum | VCNA Prairie LLC | Ashkum | Illinois | 13,032 |
| 2020 | SMALL SURFACE COAL | Barrackville Refuse Pile | LP Mineral LLC | Barrackville | West Virginia | 25,659 |
| 2020 | SMALL UNDERGROUND COAL | Genesis Mine | Kentucky Land Resources, Inc. | Centertown | Kentucky | 88,992 |
| 2020 | SMALL UNDERGROUND METAL | Eagle Mine | Eagle Mine, LLC. | Champion | Michigan | 47,535 |
| 2020 | SMALL UNDERGROUND NONMETAL | Rich Hill Underground Mine & Plant | Hanson Aggregates BMC Inc. | Connellsville | Pennsylvania | 49,924 |
| 2019 | LARGE BANK OR PIT | Vista Sand | Vista Proppants & Logistics | Granbury | Texas | 230,527 |
| 2019 | LARGE COAL PROCESSING | MC #1 Mine | M-Class Mining LLC | Franklin County | Illinois | 168,178 |
| 2019 | LARGE DREDGE | Briggs Plant | Fordyce Holdings | Victoria | Texas | 238,767 |
| 2019 | LARGE METAL/NONMETAL MILL | North Shore Mining Company | North Shore Mining Company | Silver Bay | Minnesota | 693,955 |
| 2019 | LARGE OPEN PIT | Boron Operations | US Borax, Inc. | Boron | California | 386,122 |
| 2019 | LARGE QUARRY | Tower Rock Stone – St. Genevieve FA | Tower Rock Stone Company | Sainte Genevieve | Missouri | 204,262 |
| 2019 | LARGE SURFACE COAL | Kosse Strip | Luminant Mining Company | Kosse | Texas | 788,314 |
| 2019 | LARGE UNDERGROUND COAL | Leer Mine | ACI Tygart Valley, LLC | Grafton | West Virginia | 1,082,024 |
| 2019 | LARGE UNDERGROUND METAL | Cortez District Underground | Nevada Gold Mines LLC | Crescent Valley | Nevada | 811,068 |
| 2019 | LARGE UNDERGROUND NONMETAL | Mississippi Lime Company – St. Genevieve | Mississippi Lime Co. | Ste. Genevieve | Missouri | 339,139 |
| 2019 | SMALL BANK OR PIT | U.S. Aggregates – Swisher Plant | Heritage Aggregate LLC | Indianapolis | Indiana | 10,227 |
| 2019 | SMALL COAL PROCESSING | Black Thunder | Thunder Basin Coal Company LLC | Wright | Wyoming | 26,280 |
| 2019 | SMALL DREDGE | Tarburton Pit | Pennsy Supply Inc. | Kent | Delaware | 11,285 |
| 2019 | SMALL METAL/NONMETAL MILL | Chattanooga Quarry | Martin Marietta Materials | Chattanooga | Tennessee | 23,120 |
| 2019 | SMALL OPEN PIT | Edgar Minerals Inc. | Edgar Minerals Inc. | Hawthorne | Florida | 16,272 |
| 2019 | SMALL QUARRY | Kinkaid Stone Company | Kinkaid Stone Company | Ava | Illinois | 13,023 |
| 2019 | SMALL SURFACE COAL | Highwall Miner #1 | Ramaco Resources LLC | Verner | West Virginia | 31,719 |
| 2019 | SMALL UNDERGROUND COAL | Access Energy | Deane Mining LLC | Deane | Kentucky | 87,353 |
| 2019 | SMALL UNDERGROUND METAL | Eagle Mine | Eagle Mine LLC | Champion | Michigan | 50,547 |
| 2019 | SMALL UNDERGROUND NONMETAL | Springfield Pike Mine & Plant | Hanson Aggregates BMC | Connellsville | Pennsylvania | 54,590 |
| 2018 | LARGE BANK OR PIT GROUP | Sand Processing Plant | Shale Support Holdings LLC. | Picayune | Mississippi | 132,646 |
| 2018 | LARGE COAL PROCESSING FACILITY GROUP | Navajo Mine | Bisti Fuels Company LLC. | Farmington | New Mexico | 140,427 |
| 2018 | LARGE DREDGE GROUP | Brazos Plant | Hanson Aggregates LLC. | Brookshire | Texas | 61,776 |
| 2018 | LARGE METAL NONMETAL MILL GROUP | Fort Knox Mine | Fairbanks Gold Mining Inc | Fairbanks | Alaska | 853,203 |
| 2018 | LARGE OPEN PIT GROUP | Wingate Creek Mine | Mosaic Fertilizer, LLC | Lithia | Florida | 215,704 |
| 2018 | LARGE QUARRY GROUP | Clinchfield Plant | Cemex Southeast LLC | Clinchfield | Georgia | 211,373 |
| 2018 | LARGE SURFACE COAL GROUP | Cordero Rojo Mine | Cordero Mining LLC | Gillette | Wyoming | 588,704 |
| 2018 | LARGE UNDERGROUND COAL GROUP | Cedar Grove #2 Mine | Aracoma Coal Company LLC | Holden | West Virginia | 163,592 |
| 2018 | LARGE UNDERGROUND METAL GROUP | Resolution Mine | Resolution Copper Mining LLC | Superior | Arizona | 127,770 |
| 2018 | LARGE UNDERGROUND NONMETAL GROUP | Cayuga Mine | Cargill Deicing Technology a Bu of Cargill, Inc. | Lansing | New York | 345,086 |
| 2018 | SMALL BANK OR PIT GROUP | Plant #31 | Milestone Materials Div/Mathy Construction Co | Onalaska | Wisconsin | 9,800 |
| 2018 | SMALL COAL PROCESSING FACILITY GROUP | Rawhide Mine | Peabody Caballo Mining, LLC | Gillette | Wyoming | 215,301 |
| 2018 | SMALL DREDGE GROUP | Hill Road Pit | Westfall Aggregate & Materials, Inc. | Circleville | Ohio | 10,888 |
| 2018 | SMALL METAL NONMETAL MILL GROUP | Cumberland River Quarry | Pine Bluff Sand & Gravel Company | Pine Bluff | Arkansas | 180,436 |
| 2018 | SMALL OPEN PIT GROUP | Livingston Plant #1672 | Arcosa LW BR, LLC. | Ferris | Texas | 68,388 |
| 2018 | SMALL QUARRY GROUP | Roff Plant | Covia Holdings Corporation | Roff | Oklahoma | 91,400 |
| 2018 | SMALL SURFACE COAL GROUP | Upper Second Creek Mine | Locust Grove, Inc. | Hazard | Kentucky | 31,911 |
| 2018 | SMALL UNDERGROUND COAL GROUP | Meridian #2 | Calico Coal Inc | Bluefield | Virginia | 115,738 |
| 2018 | SMALL UNDERGROUND METAL GROUP | Lucky Friday | Hecla Limited | Mullan | Idaho | 90,366 |
| 2018 | SMALL UNDERGROUND NONMETAL GROUP | U.S. Lime Company-St. Clair | U.S. Lime Company-St. Clair | Marble City | Oklahoma | 53,908 |
| 2017 | LARGE BANK OR PIT | Santosh DBA | CalPortland Company | Scappoose | Oregon | 102,714 |
| 2017 | LARGE COAL PROCESSING | Kayenta Mine | Peabody Western Coal Company | Kayenta | Arizona | 156,107 |
| 2017 | LARGE DREDGE | Samsand LLC | Samsand LLC | Garland City | Arkansas | 146,923 |
| 2017 | LARGE METAL/NONMETAL MILL | Grand Saline Operations | Morton Salt | Grand Saline | Texas | 359,749 |
| 2017 | LARGE OPEN PIT | Genesis | Newmont USA Limited | Elko | Nevada | 515,199 |
| 2017 | LARGE QUARRY | Drake Quarry | Drake Cement LLC | Paulden | Arizona | 215,313 |
| 2017 | LARGE SURFACE COAL | Kosse Strip | Luminant Mining. Co., LLC. | Kosse | Texas | 719,407 |
| 2017 | LARGE UNDERGROUND COAL | Bull Mountain Mine | Signal Peak Energy, LLC. | Grundy | Virginia | 427,131 |
| 2017 | LARGE UNDERGROUND METAL | Exodus | Newmont USA Limited | Elko | Nevada | 277,200 |
| 2017 | LARGE UNDERGROUND NONMETAL | Kerford Limestone | Kerford Limestone Company | Weeping Water | Nebraska | 148,512 |
| 2017 | SMALL BANK OR PIT | CR5 | Old Castle SW Group, Inc. | Grand Junction | Colorado | 9,897 |
| 2017 | SMALL COAL PROCESSING | Holden No. 22 Plant | Coal Mac LLC. | Holden | West Virginia | 24,029 |
| 2017 | SMALL DREDGE | Danz | Peoria Concrete Construction Company | East Peoria | Illinois | 11,216 |
| 2017 | SMALL METAL/NONMETAL MILL | Columbus Quarry LLC | Columbus Quarry LLC | Fortson | Georgia | 22,293 |
| 2017 | SMALL OPEN PIT | Materion Natural Resources | Materion Natural Resources | Delta | Utah | 15,565 |
| 2017 | SMALL QUARRY | SBM Materials | SBM Materials | Texarkana | Texas | 12,915 |
| 2017 | SMALL SURFACE COAL | Solomon Run | Elk Resources, Inc. | West Lebanon | Pennsylvania | 23,885 |
| 2017 | SMALL UNDERGROUND COAL | Cooper Ridge Deep Mine | Kopper Glo Mining, LLC. | Clairfield | Tennessee | 70,238 |
| 2017 | SMALL UNDERGROUND METAL | Buckhorn Mine | Crown Resources Corp. | Republic | Washington | 115,705 |
| 2017 | SMALL UNDERGROUND NONMETAL | Burning Springs Mine | Martin Marietta Inc. | Raleigh | North Carolina | 48,382 |
| 2016 | LARGE BANK OR PIT GROUP | Murphy Plant | Fordyce Holdings, Inc. | Victoria | Texas | 106,778 |
| 2016 | LARGE COAL PROCESSING FACILITY GROUP | Credo Dock | Kanawha River Terminals LLC | Credo | West Virginia | 148,522 |
| 2016 | LARGE DREDGE GROUP | Briggs Plant | Fordyce Holdings, Inc. | Victoria | Texas | 235,089 |
| 2016 | LARGE METAL NONMETAL MILL GROUP | Barrick Cortez Inc. | Barrick Gold Corperation | Cresent Valley | Nevada | 465,110 |
| 2016 | LARGE OPEN PIT GROUP | South Arturo Mine | Barrick Gold Corperation | Elko | Nevada | 344,430 |
| 2016 | LARGE QUARRY GROUP | St. Genevieve Facility | Tower Rock Stone Company | Columbia | Illinois | 170,851 |
| 2016 | LARGE SURFACE COAL GROUP | Freedom Mine | North American Coal Corp. | Beulah | North Dakota | 881,243 |
| 2016 | LARGE UNDERGOUND METAL GROUP | Barrick Cortez Underground | Barrick Gold Corperation | Cresent Valley | Nevada | 693,682 |
| 2016 | LARGE UNDERGROUND COAL GROUP | Bull Mountain Mine #1 | Signal Peak Energy LLC | Roundup | Montana | 386,213 |
| 2016 | LARGE UNDERGROUND NONMETAL GROUP | Cargill Salt Group, Cleveland | Cargill, Inc. | Cleveland | Ohio | 397,113 |
| 2016 | SMALL BANK OR PIT GROUP | Loveland Ready-Mix Concrete, Inc. | Loveland Ready-Mix Concrete, Inc. | Loveland | Colorado | 9,809 |
| 2016 | SMALL COAL PROCESSING FACILITY GROUP | Midway Coal Handeling Facility | Armstrong Coal Company, Inc. | St. Louis | Missouri | 21,084 |
| 2016 | SMALL DREDGE GROUP | Portage Aggregates & Supply LLC | Portage Aggregates & Supply LLC | Mantua | Ohio | 10,775 |
| 2016 | SMALL METAL NONMETAL MILL GROUP | Curtin Gap Quarry | Hanson Aggregates Pennsylvania LLC | Allentown | Pennsylvania | 22,288 |
| 2016 | SMALL OPEN PIT GROUP | Sidco Minerals – Siderite Mine | Sidco Minerals, Inc | Texarkana | Texas | 15,047 |
| 2016 | SMALL QUARRY GROUP | Walker Stone | Walker Stone | Livingston | Tennessee | 12,669 |
| 2016 | SMALL SURFACE COAL GROUP | Three Mile Mine #1 | Cam Mining LLC | Pikeville | Kentucky | 23,885 |
| 2016 | SMALL UNDERGROUND COAL GROUP | Coon Cedar Grove Mine | Marfork Coal Company LLC | Pettus | West Virginia | 48,298 |
| 2016 | SMALL UNDERGROUND METAL GROUP | Buick Mine/Mill | The Doe Run Co. | St. Louis | Missouri | 99,234 |
| 2016 | SMALL UNDERGROUND NONMETAL GROUP | Decker’s Creek Limestone Co. | Decker’s Creek Limestone Co. | Morgantown | West Virginia | 45,001 |
| 2015 | LARGE BANK OR PIT GROUP | Schoolhouse Quartz Plant | Unimin Corperation | Spruce Pine | North Carolina | 204,998 |
| 2015 | LARGE COAL PROCESSING FACILITY GROUP | New Era Mine | American Coal Co. | Harrisburg | Illinois | 224,235 |
| 2015 | LARGE DREDGE GROUP | Frac Diamond Aggregates, LLC | Shale Support Holdings, LLC | Picayune | Mississippi | 88,417 |
| 2015 | LARGE METAL NONMETAL MILL GROUP | Edgar Plant | BASF Corperation | Mclntyre | Gerogia | 437,800 |
| 2015 | LARGE OPEN PIT GROUP | Gensis | Newmont USA Limited | Elko | Nevada | 506,025 |
| 2015 | LARGE QUARRY GROUP | Drake Quarry | Drake Cement LLC | Paulden | Arizona | 216,041 |
| 2015 | LARGE SURFACE COAL GROUP | Three Oaks Mine | Luminant Mining | Eglin | Texas | 714,065 |
| 2015 | LARGE UNDERGOUND METAL GROUP | Resolution Copper | Resolution Copper Mining LLC | Superior | Arizona | 114,341 |
| 2015 | LARGE UNDERGROUND COAL GROUP | King II | GCC Energy LLC | Hesperus | Colorado | 242,309 |
| 2015 | LARGE UNDERGROUND NONMETAL GROUP | Saint Genevieve | Mississippi Lime Company | Saint Genevieve | Missouri | 306,756 |
| 2015 | SMALL BANK OR PIT GROUP | Portable Screen | McAtee Paving Company | Sterline | Colorado | 9,469 |
| 2015 | SMALL COAL PROCESSING FACILITY GROUP | Miller Creek Preperation Plant #1 | Consol of Kentucky, Inc. | NaUndergroundauck | West Virgina | 26,007 |
| 2015 | SMALL DREDGE GROUP | New Harvey Sand | Martin Marietta Materials, Inc. | Raeligh | North Carolina | 10,688 |
| 2015 | SMALL METAL NONMETAL MILL GROUP | Lithonia/Pine Mountain Quarry | Hanson Aggregates Southeast, LLC | Lithonia | Georgia | 22,758 |
| 2015 | SMALL OPEN PIT GROUP | Barefoot Pit | A.O. Hardee & Son, Inc. | Little River | South Carolina | 16,332 |
| 2015 | SMALL QUARRY GROUP | Sylvania Stone Quarry | Hanson Aggregates Midwest, LLC | Sylvania | Ohio | 12,395 |
| 2015 | SMALL SURFACE COAL GROUP | Wolf Den Run Mine | Vindex energy Corp | Mountain Lake Park | Maryland | 27,552 |
| 2015 | SMALL UNDERGROUND COAL GROUP | No. 88 | Blue Diamond Coal Co. | Hazard | Kentucky | 89,556 |
| 2015 | SMALL UNDERGROUND NONMETAL GROUP | West Warm Springs Field Project | New Era Petroleum, Inc. | Sheridan | Wyoming | 43,345 |
| 2014 | LARGE BANK OR PIT GROUP | VISTA SAND | LONESTAR PROSPECTS LTD | GRANBURY | TEXAS | 184,867 |
| 2014 | LARGE COAL PROCESSING FACILITY GROUP | BULL MOUNTAIN MINE #1 | SIGNAL PEAK ENERGY, LLC | ROUNDUP | MONTANA | 292,390 |
| 2014 | LARGE DREDGE GROUP | BRIGGS PLANT | FORDYCE HOLDINGS INC. | VICTORIA | TEXAS | 203,452 |
| 2014 | LARGE METAL NONMETAL MILL GROUP | COPPERTON CONCENTRATOR | KENNECOTT UTAH COPPER LLC | SOUTH JORDAN | UTAH | 649,385 |
| 2014 | LARGE OPEN PIT GROUP | SHEPPARD | ARCILLA MINING & LAND COMPANY, LLC | MCINTYRE | GEORGIA | Â 180913 |
| 2014 | LARGE QUARRY GROUP | STE. GENEVIEVE FACILITY | TOWER ROCK STONE CO. | COLUMBIA | ILLINOIS | Â 202,659 |
| 2014 | LARGE SURFACE COAL GROUP | JEWETT MINE | TEXAS WESTMORELAND COAL CO. | JEWETT | TEXAS | 836,853 |
| 2014 | LARGE UNDERGOUND METAL GROUP | LEE SMITH MINE | SMALL MINE DEVELOPMENT, LLC | BOISE | IDAHO | 174,710 |
| 2014 | LARGE UNDERGROUND COAL GROUP | SKYLINE MINE #3 | BOWIE RESOURCE PARTNERS, LLC | HELPER | UTAH | 577,486 |
| 2014 | LARGE UNDERGROUND NONMETAL GROUP | MAYSVILLE MINE | CARMEUSE LIME AND STONE INC | MAYSVILLE | KENTUCKY | 212385 |
| 2014 | SMALL BANK OR PIT GROUP | PORTABLE PLANT #1 | ASSOCIATED CONSTRUCTORS, LLC | MARQUETTE | MICHIGAN | 9,367 |
| 2014 | SMALL COAL PROCESSING FACILITY GROUP | RED BUD DOCK NO. 1 | APPALACHIAN MINING & RECLAMATION LLC | CATLETTSBURG | KENTUCKY | 27,029 |
| 2014 | SMALL DREDGE GROUP | COUNTRY SIDE | COUNTRY SIDE SAND & GRAVEL, INC | SOUTH DAYTON | NEW YORK | 10,394 |
| 2014 | SMALL METAL NONMETAL MILL GROUP | NOKOMIS QUARRY | HANSON MATERIAL SERVICE | NOKOMIS | ILLINOIS | 21,549 |
| 2014 | SMALL OPEN PIT GROUP | BPM LOVELL MINE | BENTONITE PERFORMANCE MINERALS LLC | LOVELL | WYOMING | Â 16,938 |
| 2014 | SMALL QUARRY GROUP | PORTABLE #1 | WEST HAWAII CONCRETE | KAILUA-KONA | HAWAII | 12,080 |
| 2014 | SMALL SURFACE COAL GROUP | NO. 1 STRIP | BEECHWOOD COAL, LLC | LONACONING | MARYLAND | 31,400 |
| 2014 | SMALL UNDERGROUND COAL GROUP | CARBON HILL MINE | PROSPECT MINING AND DEVELOPMENT COMPANY, INC | CARBON HILL | ALABAMA | 89,576 |
| 2014 | SMALL UNDERGROUND METAL GROUP | TROY MINE INC | HECLA MINING COMPANY | TROY | MONTANA | 100758 |
| 2014 | SMALL UNDERGROUND NONMETAL GROUP | RICH HILL UNDERGROUND MINE | HANSON AGGREGATES | CONNELLSVILLE | PENNSYLVANIA | 47,160 |
| 2013 | LARGE BANK OR PIT GROUP | SCHOOLHOUSE QUARTZ PLANT | UNIMIN CORPORATION | SPRUCE PINE | NORTH CAROLINA | 183,278 |
| 2013 | LARGE COAL PROCESSING FACILITY GROUP | CEREDO DOCK | KANAWHA RIVER TERMINALS | CEREDO | WEST VIRGINIA | 206,486 |
| 2013 | LARGE DREDGE GROUP | BRIGGS PLANT | FORDYCE HOLDINGS, INC. | VICTORIA | TEXAS | 183,791 |
| 2013 | LARGE METAL NONMETAL MILL GROUP | HAYDEN CONCENTRATOR | ASARCO, LLC | HAYDEN | ARIZONA | 382,855 |
| 2013 | LARGE OPEN PIT GROUP | SMOKY CANYON MINE | JR SIMPLOT, CO. | AFTON | WYOMING | 374,757 |
| 2013 | LARGE QUARRY GROUP | GENEVIEVE FACILITY | TOWER ROCK STONE CO. | SAINT GENEVIEVE | MISSOURI | 235,918 |
| 2013 | LARGE SURFACE COAL GROUP | THREE OAKS | LUMINANT MINING CO., LLC | ELGIN | TEXAS | 619,740 |
| 2013 | LARGE UNDERGROUND COAL GROUP | WEST ELK MINE | ARCH COAL, INC. | SOMERSET | COLORADO | 585,614 |
| 2013 | LARGE UNDERGROUND METAL GROUP | TORY MINE | TROY MINE INC. | TROY | MONTANA | 135,177 |
| 2013 | LARGE UNDERGROUND NONMETAL GROUP | CAYUGA MINE | CARGILL INC. | LANSING | NEW YORK | 312,209 |
| 2013 | SMALL BANK OR PIT GROUP | WEST BLOOMFIELD MINE | ELAM SAND & GRAVEL CORP. | WEST BLOOMFIELD | NEW YORK | 9,113 |
| 2013 | SMALL COAL PROCESSING FACILITY GROUP | PREPARATION PLANT | BELL COUNTY COAL CORP. | MIDDLESBORO | KENTUCKY | 27,630 |
| 2013 | SMALL DREDGE GROUP | LA AGGREGATE MATERIALS, INC. | LA AGGREGATE MATERIALS, INC. | BATON ROUGE | LOUISIANA | 10,320 |
| 2013 | SMALL METAL NONMETAL MILL GROUP | HICKORY CLAY MILL | OLD HICKORY CLAY CO. LLC | HICKORY | KENTUCKY | 20,765 |
| 2013 | SMALL OPEN PIT GROUP | SUN CITY MINE | NEW NGC, INC. | SUN CITY | KANSAS | 15,988 |
| 2013 | SMALL QUARRY GROUP | CEDAR RAPIDS QUARRY | MARTIN MARIETTA MATERIALS, INC. | DES MOINES | IOWA | 11,622 |
| 2013 | SMALL SURFACE COAL GROUP | WHITESELL | COAL LOADERS INC. | LIGONIER | PENNSYLVANIA | 34,653 |
| 2013 | SMALL UNDERGROUND COAL GROUP | POUNDMILL MINE #90 | BLUE DIAMOND COAL COMPANY | JEFF | KENTUCKY | 85,253 |
| 2013 | SMALL UNDERGROUND METAL GROUP | PINSON MINE | ATNA RESOURCES, INC. | WINNEMUCCA | NEVADA | 21,588 |
| 2013 | SMALL UNDERGROUND NONMETAL GROUP | CRAB ORCHARD MINE & MILL | LHOIST NORTH AMERICA OF TENNESSEE, INC. | CRAB ORCHARD | TENNESSEE | 37,088 |
| 2012 | LARGE BANK OR PIT GROUP | SCHOOL HOUSE QUARTZ | UNIMIN CORPORATION | SPRUCE PINE | NORTH CAROLINA | 212,809 |
| 2012 | LARGE COAL PROCESSING FACILITY GROUP | KENTUCKY RIVER LOADING | ARCH COAL, INC. | HAZARD | KENTUCKY | 146,689 |
| 2012 | LARGE DREDGE GROUP | MEGASAND ENTERPRISES INC. | MEGASAND ENTERPRISES INC. | HIGHLANDS | TEXAS | 131,625 |
| 2012 | LARGE METAL NONMETAL MILL GROUP | BLOOMFIELD PLANT | NESTLE PURINA PETCARE | BLOOMFIELD | MISSOURI | 415,751 |
| 2012 | LARGE OPEN PIT GROUP | KEETAC | UNITED STATES STEEL CORPORATION | KEEWATIN | MINNESOTA | 429,474 |
| 2012 | LARGE QUARRY GROUP | CHICO QUARRY | MARTIN MARIETTA MATERIALS, INC. | CHICO | TEXAS | 138,638 |
| 2012 | LARGE SURFACE COAL GROUP | BUCKSKING MINE | KIWIT MINING GROUP INC. | GILLETTE | WYOMING | 750,194 |
| 2012 | LARGE UNDERGROUND COAL GROUP | SUFCO MINE | BOWIE RESOURCE PARTNERS, LLC | SALINA | UTAH | 593,557 |
| 2012 | LARGE UNDERGROUND METAL GROUP | BUICK MINE/MILL | THE DOE RUN COMPANY | BOSS | MISSOURI | 339,956 |
| 2012 | LARGE UNDERGROUND NONMETAL GROUP | PLEASANT GAP | GRAYMONT (PA) INC. | PLEASANT GAP | PENNSYLVANIA | 156,493 |
| 2012 | SMALL BANK OR PIT GROUP | FISHER INDUSTRIES PLANT 6 | FISHER SAND & GRAVEL CO. | DICKINSON | NORTH DAKOTA | 9,122 |
| 2012 | SMALL COAL PROCESSING FACILITY GROUP | CHESTERFIELD PREP PLANT | ALPHA NATURAL RESOURCES | MADISON | WISCONSIN | 25,999 |
| 2012 | SMALL DREDGE GROUP | NEWARK PIT | BROADFOOT SAND & GRAVEL CO., INC. | KEARNEY | NEBRASKA | 10,131 |
| 2012 | SMALL METAL NONMETAL MILL GROUP | SANTA RITA PLANT | IMERYS MARBLE INC | SHAUARITA | ARIZONA | 21,337 |
| 2012 | SMALL OPEN PIT GROUP | NICHOLS ROAD PIT | PACIFIC AGGREGATES INC. | LAKE ELSINORE | CALIFORNIA | 16,435 |
| 2012 | SMALL QUARRY GROUP | LAUREL QUARRY | HANSON AGGREGATES MIDWEST, LLC | SOMERSET | KENTUCKY | 11,915 |
| 2012 | SMALL SURFACE COAL GROUP | LOGAN HOLLOW #1 | ALDEN RESOURCES LLC | CORBIN | KENTUCKY | 41,439 |
| 2012 | SMALL UNDERGROUND COAL GROUP | ROARING FORK NO 4 MINE | ALPHA NATURAL RESOURCES | NORA | VIRGINIA | 85,146 |
| 2012 | SMALL UNDERGROUND METAL GROUP | VIBURNUM #29 MINE | THE DOE RUN COMPANY | VICTORIA | MISSOURI | 53,015 |
| 2012 | SMALL UNDERGROUND NONMETAL GROUP | CRAB ORCHARD MINE & MILL | LHOIST NORTH AMERICA OF TENNESSEE, INC. | CRAB ORCHARD | TENNESSEE | 38,123 |
| 2011 | LARGE BANK OR PIT GROUP | PREFERRED SANDS OF WISCONSIN | PREFERRED SANDS OF WISCONSIN, LLC | BLAIR | WISCONSIN | 130,417 |
| 2011 | LARGE COAL PROCESSING FACILITY GROUP | MCELROY PREP PLANT | CONSOL ENERGY INC. | MOUNDSVILLE | WEST VIRGINIA | 161,309 |
| 2011 | LARGE DREDGE GROUP | IRWINDALE ROCK PLANT | HANSON AGGREGATES PACIFIC SOUTHWEST, INC. | IRWINDALE | CALIFORNIA | 75,984 |
| 2011 | LARGE METAL NONMETAL MILL GROUP | MILL/AUTOCLAVE OPERATIONS | BARRICK GOLD CORPORATION OF NORTH AMERICA | CARLIN | NEVADA | 318,853 |
| 2011 | LARGE OPEN PIT GROUP | BARRICK RUBY HILL MINE, OPEN PIT DIVISION | BARRICK GOLD OF NORTH AMERICA | EUREKA | NEVADA | 232,809 |
| 2011 | LARGE QUARRY GROUP | THREE RIVERS QUARRY | LAFARAGE WEST, INC. | SMITHLAND | KENTUCKY | 157,399 |
| 2011 | LARGE SURFACE COAL GROUP | ROSEBUD MINE & CRUSHER/CONVEYOR | WESTMORELAND MINING, LLC | COLSTRIP | MINNESOTA | 608,779 |
| 2011 | LARGE UNDERGROUND COAL GROUP | DUGOUT CANYON MINE | ARCH COAL, INC. | WELLINGTON | UTAH | 421,675 |
| 2011 | LARGE UNDERGROUND METAL GROUP | PEND OREILLE MINE | TECK AMERICAN INCORPORATED | METALINE FALLS | WASHINGTON | 74,120 |
| 2011 | LARGE UNDERGROUND NONMETAL GROUP | CAYUGA MINE | CARGILL DEICING TECHNOLOGY | LANSING | NEW YORK | 384,709 |
| 2011 | SMALL BANK OR PIT GROUP | PORTABLE CRUSHING PLANT NO. 2 | CARR BROTHERS & SONS, INC. | ALBION | MICHIGAN | 9,042 |
| 2011 | SMALL BANK OR PIT GROUP | STARRETTE TRUCKING CO. PIT | STARRETTEE TRUCKING CO., INC. | AUGUSTA | GEORGIA | 9,042 |
| 2011 | SMALL COAL PROCESSING FACILITY GROUP | EME HOMER CITY GENERATION | EME HOMER CITY GENERATION | HOMER CITY | PENNSYLVANIA | 32,026 |
| 2011 | SMALL DREDGE GROUP | GROVE | CORNEJO & SONS, LLC | WICHITA | KANSAS | 10,245 |
| 2011 | SMALL METAL NONMETAL MILL GROUP | MILTON PLANT | HANSON AGGREGATES PENNSYLVANIA, LLC | MONTOURSVILLE | PENNSYLVANIA | 21,157 |
| 2011 | SMALL OPEN PIT GROUP | KAUFMAN-GEORGE PIT | NEW NGC INCORPORATED | FORT DODGE | IOWA | 13,926 |
| 2011 | SMALL QUARRY GROUP | MARLLARD CREEK QUARRY | MARTIN MARIETTA MATERIALS, INC. | CHARLOTTE | NORTH CAROLINA | 11,775 |
| 2011 | SMALL SURFACE COAL GROUP | CENTRE COUNTY STRIPS | ALPHA NATURAL RESOURCES | LATROBE | PENNSYLVANIA | 39,227 |
| 2011 | SMALL UNDERGROUND COAL GROUP | BERGHOLZ 7 | ROSEBUD MINING COMPANY | BERGHOLZ | OHIO | 100,501 |
| 2011 | SMALL UNDERGROUND METAL GROUP | FIRE CREEK | SMALL MINE DEVELOPMENT, LLC | CRESCENT VALLEY | NEVADA | 27,250 |
| 2011 | SMALL UNDERGROUND NONMETAL GROUP | PARKVILLE MINE | HUNT MARTIN MATERIALS, LLC | PARKVILLE | MISSOURI | 32,426 |
| 2010 | LARGE BANK OR PIT GROUP | VOCA PLANT | UNIMIN CORPORATION | VOCA | TEXAS | 112,750 |
| 2010 | LARGE COAL PROCESSING FACILITY GROUP | BEVINS BRANCH PREPARATION PLANT | MCCOY ELKHORN COAL CORP. | PIKEVILLE | KENTUCKY | 142,049 |
| 2010 | LARGE DREDGE GROUP | BRIGGS PLANT | FORDYCE HOLDINGS, INC. | VICTORIA | TEXAS | 160,061 |
| 2010 | LARGE METAL NONMETAL MILL GROUP | EDGAR PLANT | BASF CORPORATION | MCINTYRE | GEORGIA | 429,691 |
| 2010 | LARGE OPEN PIT GROUP | KEETAC | UNITED STATES STEEL | KEEWATIN | MINNESOTA | 433,859 |
| 2010 | LARGE QUARRY GROUP | THREE RIVERS QUARRY | MARTIN MARIETTA MATERIALS, INC. | SMITHLAND | KENTUCKY | 143,158 |
| 2010 | LARGE SURFACE COAL GROUP | SOUTH HALLSVILLE NO 1 MINE | SABINE MINING COMPANY | HALLSVILLE | TEXAS | 615,591 |
| 2010 | LARGE UNDERGROUND COAL GROUP | SUFCO MINE | CANYON FUEL CO., LLC. | SALINA | UTAH | 641,480 |
| 2010 | LARGE UNDERGROUND METAL GROUP | SWEETWATER MINE/MILL | DOE RUN COMPANY | REYNOLDS | MISSOURI | 132,049 |
| 2010 | LARGE UNDERGROUND NONMETAL GROUP | COOLSPRING MINING, INC. | COOLSPRING STONE SUPPLY, INC. | UNIONTOWN | PENNSYLVANIA | 83,857 |
| 2010 | SMALL BANK OR PIT GROUP | CEMEX-MARICOPA | CEMEX CONSTRUCTION MATERIALS SOUTH, LLC. | MARICOPA | ARIZONA | 8,744 |
| 2010 | SMALL COAL PROCESSING FACILITY GROUP | MAYFLOWER PREPARATION PLANT | POWELL MOUNTAIN ENERGY, LLC. | ST. CHARLES | VIRGINIA | 28,789 |
| 2010 | SMALL DREDGE GROUP | WOODLAND PLANT | CLAYTON SAND COMPANY | CHATSWORTH | NEW JERSEY | 9,895 |
| 2010 | SMALL METAL NONMETAL MILL GROUP | DUPO PLANT #9 | COLUMBIA QUARRY COMPANY | DUPO | ILLINOIS | 21,016 |
| 2010 | SMALL OPEN PIT GROUP | KAUFMAN-GEORGE PIT | NEW NGC INCORPORATED | FORT DODGE | IOWA | 14,230 |
| 2010 | SMALL QUARRY GROUP | REEF MINE | SOUTHWEST STONE, INC. | FERRON | UTAH | 11,470 |
| 2010 | SMALL SURFACE COAL GROUP | MARETT MINE | QUALITY AGGREGATES, INC. | PARKER | PENNSYLVANIA | 33,669 |
| 2010 | SMALL UNDERGROUND COAL GROUP | SHEAN HILL MINE | STERLING MINING CORPORATION | SALINEVILLE | OHIO | 86,455 |
| 2010 | SMALL UNDERGROUND METAL GROUP | ARIZONA #1 | DENISON MINES | FREDONIA | ARIZONA | 56,417 |
| 2010 | SMALL UNDERGROUND NONMETAL GROUP | MISS LINDA MINE | J M HUBER CORP | MARBLE HILL | GEORGIA | 37,286 |
| 2009 | LARGE BANK OR PIT GROUP | SHOWER’S PLANT | FORDYCE HOLDINGS, INC. | MISSION | TEXAS | 93,652 |
| 2009 | LARGE COAL PROCESSING FACILITY GROUP | WELLS PREPARATION PLANT | EASTERN ASSOCIATED COAL, LLC. | WHARTON | WEST VIRGINIA | 146,334 |
| 2009 | LARGE DREDGE GROUP | COLUMBUS PLANT | THE OLEN CORPORATION | COLUMBUS | OHIO | 64,753 |
| 2009 | LARGE METAL NONMETAL MILL GROUP | EDGAR PLANT | BASF CATALYSTS, LLC. | MCINTYRE | GEORGIA | 429,086 |
| 2009 | LARGE OPEN PIT GROUP | RUBY HILL MINE | BARRICK GOLD CORPORATION | EUREKA | NEVADA | 244,188 |
| 2009 | LARGE QUARRY GROUP | TOWER ROCK ST CO ST GENEVIEVE FACILITY | TOWER ROCK STONE COMPANY | STE. GENEVIEVE | MISSOURI | 201,391 |
| 2009 | LARGE SURFACE COAL GROUP | FARMERSBURG MINE | PEABODY MIDWEST MINING, LLC. | PIMENTO | INDIANA | 623,033 |
| 2009 | LARGE UNDERGROUND COAL GROUP | SHAMROCK #18 SERIES | SHAMROCK COAL CO. INC. | HYDEN | KENTUCKY | 175,629 |
| 2009 | LARGE UNDERGROUND METAL GROUP | RESOLUTION MINE | RESOLUTION COPPER MINING, LLC. | SUPERIOR | ARIZONA | 65,375 |
| 2009 | LARGE UNDERGROUND NONMETAL GROUP | DETROIT SALT MINE | THE DETROIT SALT CO. LLC. | DETROIT | MICHIGAN | 105,144 |
| 2009 | SMALL BANK OR PIT GROUP | AIRWAY SAND AND GRAVEL | SPOKANE ROCK PRODUCTS, INC. | AIRWAY | WASHINGTON | 8,809 |
| 2009 | SMALL COAL PROCESSING FACILITY GROUP | CEF ALABAMA #3 | COVOL ENGINEERED FUELS, LC. | ADGER | ALABAMA | 26,308 |
| 2009 | SMALL DREDGE GROUP | BELVIDERE PIT | NICHOLS CONSTRUCTION | BELVIDERE | NEBRASKA | 9,629 |
| 2009 | SMALL METAL NONMETAL MILL GROUP | DUPO PLANT #9 | COLUMBIA QUARRY COMPANY | DUPO | ILLINOIS | 21,397 |
| 2009 | SMALL OPEN PIT GROUP | MONTPELIER US SILICA | U S SILICA | MONTPELIER | VIRGINIA | 15,018 |
| 2009 | SMALL QUARRY GROUP | CRUSHER #4 | HARNEY ROCK & PAVING COMPANY | BURNS | OREGON | 11,848 |
| 2009 | SMALL SURFACE COAL GROUP | #1 STRIP MINE | JAMIESON CONSTRUCTION COMPANY, INC. | CALVIN | KENTUCKY | 34,912 |
| 2009 | SMALL UNDERGROUND COAL GROUP | CORINTH MINE | WARRIOR INVESTMENT CO., INC. | CORDOVA | ALABAMA | 67,999 |
| 2009 | SMALL UNDERGROUND METAL GROUP | GOLD ROAD MINE | ADDWEST MINERALS, INC | OATMAN | ARIZONA | 21,748 |
| 2009 | SMALL UNDERGROUND NONMETAL GROUP | BROMLEY MINE & MILL | BROMLEY QUARRY & ASPHALT, INC. | ATCHINSON | KANSAS | 35,297 |
| 2008 | LARGE BANK OR PIT GROUP | ISP GRANULE PRODUCTS LLC | ISP GRANULE PRODUCTS, LLC. | IONE | CALIFORNIA | 140,639 |
| 2008 | LARGE COAL PROCESSING FACILITY GROUP | CHESS PROCESSING | ELK RUN COAL COMPANY, INC. | SYLVESTER | WEST VIRGINIA | 154,614 |
| 2008 | LARGE DREDGE GROUP | BRIGGS PLANT | FORDYCE HOLDINGS, INC. | VICTORIA | TEXAS | 188,463 |
| 2008 | LARGE METAL NONMETAL MILL GROUP | EDGAR PLANT | BASF CATALYSTS, LLC. | MCINTYRE | GEORGIA | 438,023 |
| 2008 | LARGE OPEN PIT GROUP | DRY VALLEY MINE | URS WASHINGTON DIVISION | SODA SPRINGS | IDAHO | 241,185 |
| 2008 | LARGE QUARRY GROUP | THREE RIVERS QUARRY | MARTIN MARIETTA MATERIALS, INC. | SMITHLAND | KENTUCKY | 197,795 |
| 2008 | LARGE SURFACE COAL GROUP | SURFACE MINE #2 | FOLA COAL CO LLC | BICKMORE | WEST VIRGINIA | 678,732 |
| 2008 | LARGE UNDERGROUND COAL GROUP | DOMINION NO. 36 | DOMINION COAL CORPORATION | WHITEWOOD | VIRGINIA | 176,554 |
| 2008 | LARGE UNDERGROUND METAL GROUP | BARRICK CORTEZ UNDERGROUND | CORTEZ JOINT VENTURE | CRESCENT VALLEY | NEVADA | 85,208 |
| 2008 | LARGE UNDERGROUND NONMETAL GROUP | THE DETROIT SALT MINE | DETROIT SALT COMPANY, LLC. | DETROIT | MICHIGAN | 97,132 |
| 2008 | SMALL BANK OR PIT GROUP | BIG RED DIRT FARM | BIG RED DIRT FARM, LLC. | FAYETTEVILLE | ARKANSAS | 9,627 |
| 2008 | SMALL COAL PROCESSING FACILITY GROUP | CHESTERFIELD PREP PLANT | OMAR MINING COMPANY | MADISON | WEST VIRGINIA | 28,077 |
| 2008 | SMALL DREDGE GROUP | GARLAND AGGREGATE | IA CONSTRUCTION – GARLAND | FRANKLIN | PENNSYLVANIA | 10,531 |
| 2008 | SMALL METAL NONMETAL MILL GROUP | DIXIE LEE QUARRY | VULCAN CONSTR. MATERIALS, L.P. | CONCORD | TENNESSEE | 24,780 |
| 2008 | SMALL OPEN PIT GROUP | KAUFMAN-GEORGE PIT | NEW NGC INCORPORATED | FORT DODGE | IOWA | 14,479 |
| 2008 | SMALL QUARRY GROUP | SOUTH RIDGE GRANITE QUARRIES | SOUTH RIDGE GRANITE QUARRIES, INC. | COMER | GEORGIA | 13,374 |
| 2008 | SMALL SURFACE COAL GROUP | NORTH SURFACE MINE | ALEX ENERGY INC | HOLDEN | WEST VIRGINIA | 39,006 |
| 2008 | SMALL UNDERGROUND COAL GROUP | CLAS #4 | CLAS COAL COMPANY, INC. | KITE | KENTUCKY | 64,156 |
| 2008 | SMALL UNDERGROUND METAL GROUP | RESOLUTION MINE | RESOLUTION COPPER MINING, LLC. | SUPERIOR | ARIZONA | 52,348 |
| 2008 | SMALL UNDERGROUND NONMETAL GROUP | NEW YORK MINE | IMERYS MARBLE, INC. | MARBLE HILL | GEORGIA | 40,478 |
| 2007 | LARGE BANK OR PIT GROUP | SLOAN QUARRY #1001 | BARDON MATERIALS INC | LAS VEGAS | NEVADA | 185,106 |
| 2007 | LARGE COAL PROCESSING FACILITY GROUP | PREPARATION PLANT | PERRY COUNTY COAL CORPORATION | HAZARD | KENTUCKY | 141,250 |
| 2007 | LARGE DREDGE GROUP | BRIGGS PLANT | FORDYCE,LTD. | VICTORIA | TEXAS | 238,957 |
| 2007 | LARGE METAL NONMETAL MILL GROUP | GORDON PLANT | BASF CATALYSTS LLC | GORDON | GEORGIA | 297,035 |
| 2007 | LARGE OPEN PIT GROUP | NORTHSHORE MINE-BABBITT | NORTHSHORE MINING COMPANY | BABBITT | MINNESOTA | 352,251 |
| 2007 | LARGE QUARRY GROUP | 1604 QUARRY | VULCAN CONSTRUCTION MATERIALS, L.P. | SAN ANTONIO | TEXAS | 189,933 |
| 2007 | LARGE SURFACE COAL GROUP | GUYAN | APOGEE COAL COMPANY, L.L.C. | YOLYN | WEST VIRGINIA | 523,797 |
| 2007 | LARGE UNDERGROUND COAL GROUP | #77 | BLUE DIAMOND COAL COMPANY | SLEMP | KENTUCKY | 128,458 |
| 2007 | LARGE UNDERGROUND METAL GROUP | BUICK MINE/MILL | DOE RUN COMPANY | BOSS | MISSOURI | 304,121 |
| 2007 | LARGE UNDERGROUND NONMETAL GROUP | MAYSVILLE MINE | CARMEUSE LIME AND STONE INC | MAYSVILLE | KENTUCKY | 228,010 |
| 2007 | SMALL BANK OR PIT GROUP | PORTABLE POWER SCREEN | TOMMER CONSTRUCTION CO INC | EPHRATA | WASHINGTON | 10,107 |
| 2007 | SMALL COAL PROCESSING FACILITY GROUP | COMBS BRANCH JOB | PINE BRANCH COAL SALES INC | CHAVIES | KENTUCKY | 25,071 |
| 2007 | SMALL DREDGE GROUP | DAVID G. HORSEY & SONS, INC. JAMES PIT | DAVID G. HORSEY & SONS, INC. | LAUREL | DELAWARE | 10,855 |
| 2007 | SMALL METAL NONMETAL MILL GROUP | LITCHFIELD QUARRY | BARRETT PAVING MATERIALS, INC. | CLAYVILLE | NEW YORK | 26,722 |
| 2007 | SMALL OPEN PIT GROUP | LUZENAC AMERICA INC | LUZENAC AMERICA INC | LUDLOW | VERMONT | 15,126 |
| 2007 | SMALL QUARRY GROUP | ATLAS QU PT CRUSHER #1 | ATLAS QUARRIES | CORD | ARKANSAS | 14,377 |
| 2007 | SMALL SURFACE COAL GROUP | FREELANDVILLE EAST MINE | TRIAD MINING INC | EDWARDSPORT | INDIANA | 40,049 |
| 2007 | SMALL UNDERGROUND COAL GROUP | SOUTH MINE | STERLING MINING CORPORATION | SALINEVILLE | OHIO | 56,423 |
| 2007 | SMALL UNDERGROUND METAL GROUP | BARRICK CORTEZ UNDERGROUND | CORTEZ JOINT VENTURE | CRESENT VALLEY | NEVADA | 64,860 |
| 2007 | SMALL UNDERGROUND NONMETAL GROUP | PETERSBURG MINE | EAST FAIRFIELD COAL CO. – LIMESTONE DIVISION | NORTH LIMA | OHIO | 38,941 |
| 2006 | LARGE BANK OR PIT GROUP | SLOAN QUARRY #1001 | FREHNER CONSTRUCTION COMPANY, INC. | NORTH LAS VEGAS | NEVADA | 218,341 |
| 2006 | LARGE COAL PROCESSING FACILITY GROUP | BURKE BRANCH TIPPLE | PREMIER ELKHORN COAL COMPANY | MYRA | KENTUCKY | 151,970 |
| 2006 | LARGE DREDGE GROUP | BRIGGS PLANT | FORDYCE, LTD. | VICTORIA | TEXAS | 272,424 |
| 2006 | LARGE METAL NONMETAL MILL GROUP | SANDERSVILLE MILL | J M HUBER CORP | SANDERSVILLE | GEORGIA | 306,219 |
| 2006 | LARGE OPEN PIT GROUP | BORON OPERATIONS | U S BORAX INC | BORON | CALIFORNIA | 449,804 |
| 2006 | LARGE QUARRY GROUP | TOWER ROCK ST CO ST GENEVIEVE FACILITY | TOWER ROCK STONE COMPANY | STE. GENEVIEVE | MISSOURI | 229,549 |
| 2006 | LARGE SURFACE COAL GROUP | FARMERSBURG MINE | BLACK BEAUTY COAL COMPANY | PIMENTO | INDIANA | 539,695 |
| 2006 | LARGE UNDERGROUND COAL GROUP | BAND MILL 2 | CUMBERLAND RIVER COAL COMPANY | EOLIA | KENTUCKY | 175,686 |
| 2006 | LARGE UNDERGROUND NONMETAL GROUP | PEERLESS MINE | MISSISSIPPI LIME COMPANY | STE. GENEVIEVE | MISSOURI | 279,812 |
| 2006 | SMALL BANK OR PIT GROUP | NORTHUMBERLAND SAND PLANT | CENTRAL BUILDERS SUPPLY COMPANY | NORTHUMBERLAND | PENNSYLVANIA | 10,029 |
| 2006 | SMALL COAL PROCESSING FACILITY GROUP | COLUMBIANA PITS | BUCKEYE INDUSTRIAL MINING CO. | LISBON | OHIO | 27,445 |
| 2006 | SMALL DREDGE GROUP | AUGUSTA SAND MINE | RINKER MATERIALS OF FLORIDA INCORPORATED | AUGUSTA | GEORGIA | 11,543 |
| 2006 | SMALL METAL NONMETAL MILL GROUP | FORKS OF THE RIVER QUARRY | RINKER MATERIALS SOUTH CENTRAL, INC. | KNOXVILLE | TENNESSEE | 26,635 |
| 2006 | SMALL OPEN PIT GROUP | TUMBLEDOWN MINE | MILWHITE INC. | VAN HORN | TEXAS | 15,295 |
| 2006 | SMALL QUARRY GROUP | GREEN ROCK CO. INC #1 | GREEN ROCK COMPANY INC | ALTO | TEXAS | 14,861 |
| 2006 | SMALL SURFACE COAL GROUP | STATE INDUSTRIES STRIPS | STATE INDUSTRIES INC | KITTANNING | PENNSYLVANIA | 36,488 |
| 2006 | SMALL UNDERGROUND COAL GROUP | ABUNDANCE COAL, INC. | ABUNDANCE COAL, INC. | KITE | KENTUCKY | 56,665 |
| 2006 | SMALL UNDERGROUND METAL GROUP | K-2 MINE SITE | KINROSS GOLD CORP KETTLE RIVER OPERATIONS | REPUBLIC | WASHINGTON | 29,254 |
| 2006 | SMALL UNDERGROUND NONMETAL GROUP | LYONS SALT COMPANY | LYONS SALT COMPANY | LYONS | KANSAS | 42,070 |
| 2005 | LARGE BANK OR PIT GROUP | TAYLOR PLANT | BADGER MINING CORPORATION | TAYLOR | WISCONSIN | 129,806 |
| 2005 | LARGE COAL PROCESSING FACILITY GROUP | BROOKS RUN PROCESSING PLANT NO 1 | BROOKS RUN MINING,L.L.C. | ERBACON | WEST VIRGINIA | 121,562 |
| 2005 | LARGE DREDGE GROUP | SORTER’S ROAD SAND & GRAVEL | SUNRISE MATERIALS | PORTER | TEXAS | 81,310 |
| 2005 | LARGE METAL NONMETAL MILL GROUP | SANDERSVILLE MILL | J. M. HUBER CORPORATION | SANDERSVILLE | GEORGIA | 304,157 |
| 2005 | LARGE OPEN PIT GROUP | SOUTH FORT MEADE MINE | MOSAIC FERTILIZER, L.L.C | FT. MEADE | FLORIDA | 291,144 |
| 2005 | LARGE QUARRY GROUP | TOWER ROCK ST CO ST GENEVIEVE FA | TOWER ROCK STONE CO | STE. GENEVIEVE | MISSOURI | 207,514 |
| 2005 | LARGE SURFACE COAL GROUP | LEE RANCH COAL COMPANY | LEE RANCH COAL COMPANY | GRANTS | NEW MEXICO | 444,739 |
| 2005 | LARGE UNDERGROUND COAL GROUP | SKYLINE MINE #3 | CANYON FUEL COMPANY | SCOFIELD | UTAH | 246,111 |
| 2005 | LARGE UNDERGROUND METAL GROUP | K-2 MINE SITE | KINROSS GOLD CORP-KETTLE RIVER OPERATIONS | REPUBLIC | WASHINGTON | 123,762 |
| 2005 | LARGE UNDERGROUND NONMETAL GROUP | PEERLESS MINE | MISSISSIPPI LIME COMPANY | STE. GENEVIEVE | MISSOURI | 269,596 |
| 2005 | SMALL BANK OR PIT GROUP | NEW PARIS PLANT | ELKHART COUNTY GRAVEL, INC | NEW PARIS | INDIANA | 10,190 |
| 2005 | SMALL COAL PROCESSING FACILITY GROUP | #1 LOADING DOCK | HAROLD KEENE COAL COMPANY INC | SWORDS CREEK | VIRGINIA | 28,176 |
| 2005 | SMALL DREDGE GROUP | CENTRAL ARKANSAS SAND | CENTRAL ARKANSAS SAND | NORTH LITTLE ROCK | ARKANSAS | 11,473 |
| 2005 | SMALL METAL NONMETAL MILL GROUP | FLORENCE PLANT (CS33) | CENTRAL STONE COMPANY | FLORENCE | ILLINOIS | 25,960 |
| 2005 | SMALL OPEN PIT GROUP | STATE LINE RESOURCES INC. | STATE LINE RESOURCES, INC | NEGLEY | OHIO | 15,660 |
| 2005 | SMALL QUARRY GROUP | MITCHELL CRUSHED STONE | ROGERS GROUP, INC | MITCHELL | INDIANA | 14,889 |
| 2005 | SMALL SURFACE COAL GROUP | FREELANDVILLE EAST MINE | TRIAD MINING,INC | EDWARDSPORT | INDIANA | 34,178 |
| 2005 | SMALL UNDERGROUND COAL GROUP | NO. 1 WALLINS | REX COAL CO, INC. | CLOSPLINT | KENTUCKY | 55,077 |
| 2005 | SMALL UNDERGROUND METAL GROUP | BILLIE MINE | AMERICAN BORATE COMPANY | ROFF | CALIFORNIA | 38,493 |
| 2005 | SMALL UNDERGROUND NONMETAL GROUP | IMPERIAL MINE QUARRY – DANBY | VERMONT QUARRIES CORPORATION | DANBY | VERMONT | 38,829 |
| 2004 | LARGE BANK OR PIT GROUP | SUN VALLEY PLANT | VULCAN MATERIALS | SUN VALLEY | CALIFORNIA | 125,080 |
| 2004 | LARGE COAL PROCESSING FACILITY GROUP | LOVERIDGE NO. 22 | CONSOLIDATION COAL COMPANY | FAIRVIEW | WEST VIRGINIA | 128,654 |
| 2004 | LARGE DREDGE GROUP | FAIRFIELD GRAVEL | MARTIN MARIETTA AGGREGATES | FAIRFIELD | OHIO | 68,353 |
| 2004 | LARGE METAL NONMETAL MILL GROUP | SANDERSVILLE MILL | J. M. HUBER CORPORATION | SANDERSVILLE | GEORGIA | 310,903 |
| 2004 | LARGE OPEN PIT GROUP | BELLE/COLONY MINE | AMERICAN COLLOID COMPANY | COLONY | WYOMING | 82,410 |
| 2004 | LARGE QUARRY GROUP | THREE RIVERS QUARRY | MARTIN MARIETTA AGGREGATES | SMITHLAND | KENTUCKY | 170,175 |
| 2004 | LARGE SURFACE COAL GROUP | LOVERS GAP #3 | PARAMONT COAL COMPANY, L.L.C. | COEBURN | VIRGINIA | 274,711 |
| 2004 | LARGE UNDERGROUND COAL GROUP | CLEAN ENERGY MINE | ICG KNOTT COUNTY, L.L.C. | KITE | KENTUCKY | 129,256 |
| 2004 | LARGE UNDERGROUND METAL GROUP | BRUSHY CREEK MINE | THE DOE RUN COMPANY | BUNKER | MISSOURI | 235,434 |
| 2004 | LARGE UNDERGROUND NONMETAL GROUP | PEERLESS MINE | MISSISSIPPI LIME COMPANY | STE. GENEVIEVE | MISSOURI | 260,767 |
| 2004 | SMALL BANK OR PIT GROUP | NEWMARKET SAND & GRAVEL | CHICK TRUCKING | NEW MARKET | NEW HAMPSHIRE | 10,012 |
| 2004 | SMALL COAL PROCESSING FACILITY GROUP | NELMS PREPARATION PLANT | CAM OHIO, L.L.C. | HOPEDALE | OHIO | 26,611 |
| 2004 | SMALL DREDGE GROUP | PIT #73 BELLWOOD | CENTRAL SAND & GRAVEL COMPANY | BELLWOOD | NEBRASKA | 10,799 |
| 2004 | SMALL METAL NONMETAL MILL GROUP | OTTAWA LAKE | STONECO | OTTAWA LAKE | MICHIGAN | 24,780 |
| 2004 | SMALL OPEN PIT GROUP | OWENS PIT | PERKINS CINDERS, INC | SHOW LOW | ARIZONA | 14,415 |
| 2004 | SMALL QUARRY GROUP | STONEWALL MATERIALS OF OKLAHOMA, L.L.C. | STONEWALL MATERIALS OF OKLAHOMA, L.L.C. | MINERAL WELLS | OKLAHOMA | 14,572 |
| 2004 | SMALL SURFACE COAL GROUP | AREA #8 | ROBERT CLEAR COAL CORPORATION | LAFOLLETTE | KENTUCKY | 34,155 |
| 2004 | SMALL UNDERGROUND COAL GROUP | MINE #4 | ENTERPRISE MINING COMPANY | WHITESBURG | KENTUCKY | 52,936 |
| 2004 | SMALL UNDERGROUND METAL GROUP | TROY MINE | GENESIS, INC | TROY | MONTANA | 44,043 |
| 2004 | SMALL UNDERGROUND NONMETAL GROUP | NALLY & GIBSON UNDERGROUND | NALLY & GIBSON UNDERGROUND | GEORGETOWN | KENTUCKY | 30,144 |
| 2003 | BANK OR PIT GROUP | SCHOOLHOUSE MINE OPERATIONS | UNIMIN CORPORATION | SPRUCE PINE | NORTH CAROLINA | 155,270 |
| 2003 | DREDGE GROUP | DAVENPORT SAND MINE | RINKER MATERIALS OF FLORIDA INC | MIAMI | FLORIDA | 76,995 |
| 2003 | OPEN PIT GROUP | SWIFT CREEK MINE | PCS PHOSPHATE – WHITE SPRINGS | WHITE SPRINGS | FLORIDA | 346,053 |
| 2003 | QUARRY GROUP | 5 R CONSTRUCTORS | 5 R CONSTRUCTORS LLC | ATLANTA | GEORGIA | 338,318 |
| 2003 | SURFACE COAL GROUP | NORTH ANTELOPE ROCHELLE MINE | POWDER RIVER COAL COMPANY | WRIGHT | WYOMING | 1,597,305 |
| 2003 | UNDERGROUND COAL GROUP | BEAVER GAP E-3 | CONSOL ENERGY INC. | DEANE | KENTUCKY | 151,910 |
| 2003 | UNDERGROUND METAL GROUP | GREENS CREEK MINE | KENNECOTT GREENS CREEK MINING COMPANY | JUNEAU | ALASKA | 468,351 |
| 2003 | UNDERGROUND NONMETAL GROUP | MORTON SALT FAIRPORT MINE | MORTON SALT, A ROHM AND HASS COMPANY | GRAND RIVER | OHIO | 254,717 |
| 2002 | BANK OR PIT GROUP | RINKER MATERIALS 19TH AVE. OPERATION | RINKER MATERIALS WESTERN INC. | PHOENIX | ARIZONA | 109,481 |
| 2002 | DREDGE GROUP | PORTER PLANT & PIT | HALLETT CONSTRUCTION/HALLET MATL | PORTER | TEXAS | 90,595 |
| 2002 | OPEN PIT GROUP | AURORA DIVISION MINING AREA | PCS PHOSPHATE CO., INC. | AURORA | NORTH CAROLINA | 484,989 |
| 2002 | QUARRY GROUP | 5 R CONSTRUCTORS | 5 R CONSTRUCTORS, LLC | ATLANTA | GEORGIA | 184,180 |
| 2002 | SURFACE COAL GROUP | EAGLE BUTTE MINE | RAG COAL WEST, INC. | GILLETTE | WYOMING | 472,386 |
| 2002 | UNDERGROUND COAL GROUP | CREECH #1 | POWELL MOUNTAIN COAL CO., INC. | ST. CHARLES | VIRGINIA | 132,142 |
| 2002 | UNDERGROUND METAL GROUP | SWEETWATER MINE/MILL | THE DOE RUN COMPANY | VIBURNUM | MISSOURI | 163,030 |
| 2002 | UNDERGROUND NONMETAL GROUP | MISSISSIPPI POTASH WEST | MISSISSIPPI POTASH, INC. | CARLSBAD | NEW MEXICO | 263,371 |
| 2001 | BANK OR PIT GROUP | ARENA PLANT | HANSON AGGREGATES SO CENTRAL | ALTAIR | TEXAS | 132,565 |
| 2001 | DREDGE GROUP | BRIGGS PLANT | FORDYCE LTD | VICTORIA | TEXAS | 228,816 |
| 2001 | OPEN PIT GROUP | PHELPS DODGE SIERRITA INC | PHELPS DODGE MINING CO | GREEN VALLEY | ARIZONA | 454,936 |
| 2001 | QUARRY GROUP | IMERYS GANTTS QUARRY | IMERYS CARBONATES LLC | SYLACAUGA | ALABAMA | 212,051 |
| 2001 | SURFACE COAL GROUP | BLACK THUNDER MINE | THUNDER BASIN COAL COMPANY LLC | WRIGHT | WYOMING | 1,247,939 |
| 2001 | UNDERGROUND COAL GROUP | DEEP MINE #30 | PARAMONT COAL CORP | DANTE | VIRGINIA | 175,582 |
| 2001 | UNDERGROUND METAL GROUP | YOUNG MINE | ASARCO INC | STRAWBERRY PLAINS | TENNESSEE | 223,890 |
| 2001 | UNDERGROUND NONMETAL GROUP | WEEPING WATER QUARRY | MARTIN MARIETTA AGGREGATES | WEEPING WATER | NEBRASKA | 130,287 |
| 2000 | BANK OR PIT GROUP | ARENA PLANT | HANSON AGGREGATES SO CENTRAL | ALTAIR | TEXAS | 133,766 |
| 2000 | DREDGE GROUP | BRIGGS PLANT | FORDYCE LTD | VICTORIA | TEXAS | 241,195 |
| 2000 | OPEN PIT GROUP | ROCHESTER MINE | COEUR ROCHESTER INC | LOVELOCK | NEVADA | 254,296 |
| 2000 | QUARRY GROUP | THORNTON QUARRY | MATERIAL SERVICE CORP | THORNTON | ILLINOIS | 208,816 |
| 2000 | SURFACE COAL GROUP | ANTELOPE COAL MINE | ANTELOPE COAL CO | GILLETTE | WYOMING | 394,735 |
| 2000 | UNDERGROUND COAL GROUP | DEEP MINE 21 | PARAMONT COAL CORP | DANTE | VIRGINIA | 151,753 |
| 2000 | UNDERGROUND METAL GROUP | SSX | ANGLOGOLD JERRITT CANYON CORP | ELKO | NEVADA | 174,766 |
| 2000 | UNDERGROUND NONMETAL GROUP | COTE BLANCHE MINE | IMC SALT INC | FRANKLIN | LOUISIANA | 284,932 |
| 1999 | BANK OR PIT GROUP | BLUE DIAMOND MATERIALS INC | PIONEER CONCRETE OF NEVADA | LAS VEGAS | NEVADA | 228,934 |
| 1999 | DREDGE GROUP | BRIGGS PLANT | THE FORDYCE CO | VICTORIA | TEXAS | 250,976 |
| 1999 | OPEN PIT GROUP | PHELPS DODGE SIERRITA INC | PHELPS DODGE MINING CO | GREEN VALLEY | ARIZONA | 471,873 |
| 1999 | QUARRY GROUP | THORNTON QUARRY | MATERIAL SERVICE CORP | THORNTON | ILLINOIS | 184,159 |
| 1999 | SURFACE COAL GROUP | CORDERO MINE | CORDERO MINING CO | GILLETTE | WYOMING | 814,451 |
| 1999 | UNDERGROUND COAL GROUP | KINGSTON NO 1 MINE | KINGSTON MINING INC | SCARBRO | WEST VIRGINIA | 197,464 |
| 1999 | UNDERGROUND METAL GROUP | SWEETWATER MINE/MILL | THE DOE RUN COMPANY | REYNOLDS | MISSOURI | 277,254 |
| 1999 | UNDERGROUND NONMETAL GROUP | LOCUST COVE MINE | UNITED STATES GYPSUM CO | SALTVILLE | VIRGINIA | 129,515 |
| 1998 | BANK OR PIT GROUP | PUDDLEDOCK SAND & GRAVEL | TARMAC AMERICA INC | PETERSBURG | VIRGINIA | 98,399 |
| 1998 | DREDGE GROUP | BRIDGEBURG DREDGE & MILL | GLACIAL SAND & GRAVEL CO | KITTANNING | PENNSYLVANIA | 78,382 |
| 1998 | OPEN PIT GROUP | TYRONE MINE & MILL | PHELPS DODGE TYRONE INC | TYRONE | NEW MEXICO | 937,318 |
| 1998 | QUARRY GROUP | FEC QUARRY | RINKER MATERIALS CORP | MIAMI | FLORIDA | 194,973 |
| 1998 | SURFACE COAL GROUP | CORDERO MINE | CORDERO MINING CO | GILLETTE | WYOMING | 716,243 |
| 1998 | UNDERGROUND COAL GROUP | KINGSTON NO 1 | KINGSTON MINING INC | SCARBRO | WEST VIRGINIA | 138,038 |
| 1998 | UNDERGROUND METAL GROUP | FLETCHER MINE & MILL | THE DOE RUN COMPANY | VIBURNUM | MISSOURI | 178,844 |
| 1998 | UNDERGROUND NONMETAL GROUP | MISSISSIPPI POTASH INC | MISSISSIPPI POTASH INC | CARLSBAD | NEW MEXICO | 228,811 |
| 1997 | BANK OR PIT GROUP | LILESVILLE MINE | W R BONSAL CO | LILESVILLE | NORTH CAROLINA | 164,262 |
| 1997 | DREDGE GROUP | BRIGGS PLANT | THE FORDYCE CO | VICTORIA | TEXAS | 207,838 |
| 1997 | OPEN PIT GROUP | CYPRUS SIERRITA MINE | CYPRUS AMAX MINERALS CO | GREEN VALLEY | ARIZONA | 556,736 |
| 1997 | QUARRY GROUP | PENNSUCO QUARRY | TARMAC AMERICA INC | MEDLEY | FLORIDA | 232,232 |
| 1997 | SURFACE COAL GROUP | COLOWYO MINE | COLOWYO COAL CO LP | MEEKER | COLORADO | 666,850 |
| 1997 | UNDERGROUND COAL GROUP | ROARING FORK NO 2 MINE | CLINCHFIELD COAL CO | DANTE | VIRGINIA | 154,337 |
| 1997 | UNDERGROUND METAL GROUP | GREENS CREEK MINE | KENNECOTT GREENS CREEK MINING | JUNEAU | ALASKA | 434,236 |
| 1997 | UNDERGROUND NONMETAL GROUP | BIG ISLAND MINE & REFINERY | OCI WYOMING LP | GREEN RIVER | WYOMING | 326,090 |
| 1996 | BANK OR PIT GROUP | LILESVILLE MINE | W R BONSAL CO | LILESVILLE | NORTH CAROLINA | 155,830 |
| 1996 | DREDGE GROUP | BRIDGEBURG DREDGE & MILL | GLACIAL SAND & GRAVEL CO | KITTANNING | PENNSYLVANIA | 70,965 |
| 1996 | OPEN PIT GROUP | MCCOY COVE MINE | ECHO BAY MINERALS CO | BATTLE MTN | NEVADA | 807,070 |
| 1996 | QUARRY GROUP | THREE RIVERS PLANT & QUARRY | MARTIN MARIETTA AGGREGATES | SMITHLAND | KENTUCKY | 157,624 |
| 1996 | SURFACE COAL GROUP | JACOBS RANCH MINE | KERR MCGEE COAL CORP | GILLETTE | WYOMING | 768,297 |
| 1996 | UNDERGROUND COAL GROUP | HUFF CREEK MINE NO 1 | LONE MOUNTAIN PROCESSING INC | HOLMES MILL | KENTUCKY | 248,134 |
| 1996 | UNDERGROUND METAL GROUP | CASTEEL BUICK MINE | THE DOE RUN COMPANY | VIBURNUM | MISSOURI | 372,367 |
| 1996 | UNDERGROUND NONMETAL GROUP | FAIRPORT MINE | MORTON SALT MORTON INT | GRAND RIVER | OHIO | 291,751 |
| 1995 | BANK OR PIT GROUP | PIT AND PLANT NO 4 | CAPITOL AGGREGATES LTD | AUSTIN | TEXAS | 108,301 |
| 1995 | DREDGE GROUP | BLUE ROAN BEND 02 01 | PIONEER CONCRETE OF TEXAS INC | GARWOOD | TEXAS | 103,876 |
| 1995 | OPEN PIT GROUP | TYRONE MINE | PHELPS DODGE MINING CO | TYRONE | NEW MEXICO | 809,532 |
| 1995 | QUARRY GROUP | PENNSUCO QUARRY | TARMAC FLORIDA INC | MEDLEY | FLORIDA | 294,196 |
| 1995 | SURFACE COAL GROUP | COLOWYO MINE | COLOWYO COAL COMPANY LP | MEEKER | COLORADO | 625,822 |
| 1995 | UNDERGROUND COAL GROUP | FREEDOM MINE | OHIO COUNTY COAL CO INC | HENDERSON | KENTUCKY | 213,878 |
| 1995 | UNDERGROUND METAL GROUP | FLETCHER MINE AND MILL | THE DOE RUN COMPANY | VIBURNUM | MISSOURI | 157,758 |
| 1995 | UNDERGROUND NONMETAL GROUP | BIG ISLAND MINE & REFINERY | OCI WYOMING LP | GREEN RIVER | WYOMING | 327,660 |
| 1994 | BANK OR PIT GROUP | BONANZA MATERIALS PIT AND MILL | BONANZA MATERIALS INC | HENDERSON | NEVADA | 149,889 |
| 1994 | DREDGE GROUP | LOWER BURRELL PLANT | DAVISON SAND & GRAVEL CO | NEWKENSINGTON | PENNSYLVANIA | 72,221 |
| 1994 | OPEN PIT GROUP | TYRONE MINE | PHELPS DODGE MINING CO | TYRONE | NEW MEXICO | 644,698 |
| 1994 | QUARRY GROUP | BROOKSVILLE GREGG MINE | FLORIDA CRUSHED STONE CO | BROOKSVILLE | FLORIDA | 198,050 |
| 1994 | SURFACE COAL GROUP | SANDOW MINE | ALUMINUM CO OF AMERICA | ROCKDALE | TEXAS | 492,709 |
| 1994 | UNDERGROUND COAL GROUP | NELMS MINE CADIZ PORTAL | HARRISON MINING CORP | CADIZ | OHIO | 244,656 |
| 1994 | UNDERGROUND METAL GROUP | BUICK MINE AND MILL | THE DOE RUN COMPANY | VIBURNUM | MISSOURI | 129,042 |
| 1994 | UNDERGROUND NONMETAL GROUP | MISSISSIPPI POTASH INC | CARLSBAD OPERATIONS | CARLSBAD | NEW MEXICO | 308,760 |
| 1993 | BANK OR PIT GROUP | ARENA PLANT | PIONEER CONCRETE OF TEXAS INC | ALTAIR | TEXAS | 130,401 |
| 1993 | DREDGE GROUP | BRIDGEBURG DREDGE & MILL | GLACIAL SAND & GRAVEL CO | KITTANNING | PENNSYLVANIA | 82,217 |
| 1993 | OPEN PIT GROUP | CYPRUS SIERRITA MINE | CYPRUS CLIMAX METAL CO | GREEN VALLEY | ARIZONA | 741,966 |
| 1993 | QUARRY GROUP | F E C QUARRY | RINKER MATERIALS CORP | HIALEAH | FLORIDA | 210,872 |
| 1993 | SURFACE COAL GROUP | TRAPPER MINE | TRAPPER MINING INC | CRAIG | COLORADO | 337,125 |
| 1993 | UNDERGROUND COAL GROUP | MINE NO 4A NO 2 PORTAL | D & K COAL CO | BIRCH RIVER | WEST VIRGINIA | 132,254 |
| 1993 | UNDERGROUND METAL GROUP | SWEETWATER UNIT | ASARCO INC | BUNKER | MISSOURI | 260,698 |
| 1993 | UNDERGROUND NONMETAL GROUP | OAKFIELD MINE | UNITED STATES GYPSUM CO | OAKFIELD | NEW YORK | 144,159 |
| 1992 | BANK OR PIT GROUP | LILESVILLE MINE | W R BONSAL CO | LILESVILLE | NORTH CAROLINA | 143,695 |
| 1992 | DREDGE GROUP | BLUE ROAN BEND 02 01 | PIONEER CONCRETE OF TEXAS | GARWOOD | TEXAS | 101,494 |
| 1992 | OPEN PIT GROUP | MORENCI MINING | PHELPS DODGE MORENCI INC | MORENCI | ARIZONA | 1,991,490 |
| 1992 | QUARRY GROUP | PENNSUCO QUARRY | TARMAC FLORIDA INC | MEDLEY | FLORIDA | 183,494 |
| 1992 | SURFACE COAL GROUP | SAN JUAN MINE AND PLANT | SAN JUAN COAL CO | WATERFLOW | NEW MEXICO | 617,296 |
| 1992 | UNDERGROUND COAL GROUP | NELMS MINE CADIZ PORTAL | HARRISON MINING CORP | CADIZ | OHIO | 145,506 |
| 1992 | UNDERGROUND METAL GROUP | IMMEL MINE | ASARCO INC | STRAWBERRY PL | TENNESSEE | 211,257 |
| 1992 | UNDERGROUND NONMETAL GROUP | COTE BLANCHE MINE | CAREY SALT CO | LYDIA | LOUISIANA | 218,853 |
| 1991 | BANK OR PIT GROUP | LILESVILLE MINE | W R BONSAL CO | LILESVILLE | NORTH CAROLINA | 144,319 |
| 1991 | DREDGE GROUP | MILLVILLE PLANT | LES SILICA CO | BERKLEY SPRG | NEW JERSEY | 85,755 |
| 1991 | OPEN PIT GROUP | MAGMA OPEN PIT | MAGMA COPPER CO | SAN MANUEL | ARIZONA | 484,885 |
| 1991 | QUARRY GROUP | THREE RIVERS QUARRY | DRAVO BASIC MATERIALS CO INC | SMITHLAND | KENTUCKY | 173,164 |
| 1991 | SURFACE COAL GROUP | COLOWYO MINE | COLOWYO COAL CO | MEEKER | COLORADO | 735,755 |
| 1991 | UNDERGROUND COAL GROUP | NO.2 MINE | JADE ENERGY INC | TOLER | KENTUCKY | 126,943 |
| 1991 | UNDERGROUND METAL GROUP | JEFFERSON CITY ZINC MINE | JEFFERSON CITY ZINC | JEFFER. CITY | TENNESSEE | 188,858 |
| 1991 | UNDERGROUND NONMETAL GROUP | NASH DRAW MINE | WESTERN AG MINERALS CO | CARLSBAD | NEW MEXICO | 193,711 |
| 1990 | BANK OR PIT GROUP | WHITE MARGH S & G PLANT | GENSTAR STONE PRODUCTS CO | WHITE MARSH | MARYLAND | 170,404 |
| 1990 | DREDGE GROUP | MILLVILLE PLANT | U S SILICA CO | MILLVILLE | NEW JERSEY | 96,129 |
| 1990 | OPEN PIT GROUP | DU PONT FLORIDA MINE & PLANT | E I DU PONT DE NEMOURS & CO | STARKE | FLORIDA | 388,267 |
| 1990 | QUARRY GROUP | BROOKSVILLE GREGG MINE | FLORIDA CRUSHED STONE CO | BROOKSVILLE | FLORIDA | 323,284 |
| 1990 | SURFACE COAL GROUP | CORDERO MINE | CORDERO MINING CO | GILLETTE | WYOMING | 393,610 |
| 1990 | UNDERGROUND COAL GROUP | NO.5 MINE | WAR EAGLE CONSTRUCTION CO INC | MALLORY | WEST VIRGINIA | 114,766 |
| 1990 | UNDERGROUND METAL GROUP | FLETCHER MINE & MILL | THE DOE RUN COMPANY | VIBURNUM | MISSOURI | 110,704 |
| 1990 | UNDERGROUND NONMETAL GROUP | CARLSBAD OPERATIONS | MISSISSIPPI CHEMICAL CORP | CARLSBAD | NEW MEXICO | 281,373 |
| 1989 | BANK OR PIT GROUP | MAYHEW PLANT | C L PHARRIS SAND & GRAVEL | RIVERSIDE | CALIFORNIA | 144,086 |
| 1989 | DREDGE GROUP | ROSS ISLAND PLANT | ROSS ISLAND SAND & GRAVEL | PORTLAND | OREGON | 97,511 |
| 1989 | OPEN PIT GROUP | DU PONT FLORIDA MINE & PLANT | E I DU PONT DE NEMOURS & CO | STARKE | FLORIDA | 402,423 |
| 1989 | QUARRY GROUP | PENNSUCO QUARRY | TARMAC FLORIDA INC | HIALEAH | FLORIDA | 353,278 |
| 1989 | SURFACE COAL GROUP | BELLE AYR MINE | AMAX COAL CO | GILLETTE | WYOMING | 385,321 |
| 1989 | UNDERGROUND COAL GROUP | YOUNGS BRANCH MINE NO.15 | DOMINION COAL CORP | VANSANT | VIRGINIA | 169,488 |
| 1989 | UNDERGROUND METAL GROUP | BUICK MINE | THE DOE RUN COMPANY | VIBURNUM | MISSOURI | 191,336 |
| 1989 | UNDERGROUND NONMETAL GROUP | SHOALS MINE | UNITED STATES GYPSUM CO | SHOALS | INDIANA | 181,706 |
| 1988 | BANK OR PIT GROUP | SENTER MINE | BECKER MINERALS INC | CHERAW | NORTH CAROLINA | 126,696 |
| 1988 | DREDGE GROUP | ROSS ISLAND PLANT | ROSS ISLAND SAND & GRAVEL | PORTLAND | OREGON | 84,573 |
| 1988 | OPEN PIT GROUP | DU PONT FLORIDA MINE & PLANT | E I DU PONT DE NEMOURS & CO | STARKE | FLORIDA | 424,148 |
| 1988 | QUARRY GROUP | PENNSUCO QUARRY | TARMAC FLORIDA INC | HIALEAH | FLORIDA | 342,593 |
| 1988 | SURFACE COAL GROUP | CORDERO MINE | CORDERO MINING CO | GILLETTE | WYOMING | 349,659 |
| 1988 | UNDERGROUND COAL GROUP | ARCLAR MINE UNDERGROUND | TEK BAR INDUSTRIES INC | HARRISBURG | ILLINOIS | 94,429 |
| 1988 | UNDERGROUND METAL GROUP | SWEET WATER UNIT | ASARCO INC | BUNKER | MISSOURI | 120,005 |
| 1988 | UNDERGROUND NONMETAL GROUP | NEW YORK MINE | GEORGIA MARBLE CO | TATE | GEORGIA | 70,302 |
| 1987 | BANK OR PIT GROUP | LILESVILLE MINE | W R BONSAL CO | LILESVILLE | NORTH CAROLINA | 150,262 |
| 1987 | DREDGE GROUP | BLUE ROAN BEND -01 | PIONEER CONCRETE OF TEXAS | HOUSTON | TEXAS | 88,801 |
| 1987 | OPEN PIT GROUP | THOMPSON CREEK MINE | CYPRUS THOMPSON CREEK MININ CO | CLAYTON | IDAHO | 317,990 |
| 1987 | QUARRY GROUP | FORT MYERS QUARRY | FLORIDA ROCK INDUSTRIES INC | FT.MYERS | FLORIDA | 138,996 |
| 1987 | SURFACE COAL GROUP | BELLE AYR MINE | AMAX COAL CO | GILLETTE | WYOMING | 615,217 |
| 1987 | UNDERGROUND COAL GROUP | NO.32 MINE | ARCH OF KENTUCKY, INC. | LYNCH | KENTUCKY | 120,757 |
| 1987 | UNDERGROUND METAL GROUP | PIGEON MINE | ENERGY FUELS NUCLEAR INC | FREDONIA | ARIZONA | 81,248 |
| 1987 | UNDERGROUND NONMETAL GROUP | SHOALS MINE | UNITED STATES GYPSUM CO | SHOALS | INDIANA | 178,474 |
| 1986 | BANK OR PIT GROUP | CALMAT PLT NO 1 MAIN PLANT | CALMAT COMPANY OF ARIZONA | PHOENIX | ARIZONA | 184,765 |
| 1986 | DREDGE GROUP | ORTONA MINE AND PLANT | E R JAHNA INDUSTRIES INC | ORTONA | FLORIDA | 91,874 |
| 1986 | OPEN PIT GROUP | ROCKLAND MINE | US AGRI CHEM DIVISION OF USSC | FT.MEADE | FLORIDA | 310,665 |
| 1986 | QUARRY GROUP | BROOKSVILLE GAY QUARRY | FLORIDA CRUSHED STONE CO | BROOKSVILLE | FLORIDA | 370,353 |
| 1986 | SURFACE COAL GROUP | FREEDOM MINE | THE COTEAU PROPERTIES COMPANY | BISMARCK | NORTH DAKOTA | 507,450 |
| 1986 | UNDERGROUND COAL GROUP | MARWICK U/G | PEABODY | ST.LOUIS | KENTUCKY | 179,286 |
| 1986 | UNDERGROUND METAL GROUP | MAGMONT MINE | COMINCO AMERICAN INCORPORATED | BIXBY | MISSOURI | 263,507 |
| 1986 | UNDERGROUND NONMETAL GROUP | BIG ISLAND MINE | STAUFFER CHEMICAL CO OF WY | GREEN RIVER | WYOMING | 345,456 |
| 1985 | BANK OR PIT GROUP | WALDORF PLANT | CHARLES COUNTY S & G COMPANY | WALDORF | MARYLAND | 203,165 |
| 1985 | DREDGE GROUP | BLUE ROAN BEND | PIONEER CONCRETE OF TEXAS | HOUSTON | TEXAS | 140,822 |
| 1985 | OPEN PIT GROUP | BORON OPERATIONS | UNITED STATES BORAX & CHE CORP | BORON | CALIFORNIA | 386,319 |
| 1985 | QUARRY GROUP | PENNSUCO QUARRY | TARMAC FLORIDA INC | HIALEAH | FLORIDA | 391,349 |
| 1985 | SURFACE COAL GROUP | CHINOOK MINE | AMAX COAL COMPANY | NA | INDIANA | 543,676 |
| 1985 | UNDERGROUND COAL GROUP | TROPHY TAKEN BACK (INJURY) | ****************************** | NA | NA | 0 |
| 1985 | UNDERGROUND METAL GROUP | COPPER QUEEN BRANCH | PHELPS DODGE CORPORATION | BISBEE | ARIZONA | 114,688 |
| 1985 | UNDERGROUND NONMETAL GROUP | SHOALS MINE | UNITED STATES GYPSUM CO | SHOALS | INDIANA | 175,280 |
| 1984 | BANK OR PIT GROUP | MAIN PLANT (PIT NO 1) | CALMAT CO OF AZ | PHOENIX | ARIZONA | 157,389 |
| 1984 | DREDGE GROUP | BLUE ROAN BEND DREDGE & PLANT | PIONEER CONCRETE OF TEXAS | EAGLE LAKE | TEXAS | 174,769 |
| 1984 | OPEN PIT GROUP | SUWANNEE RIVER MINE | OCCIDENTAL CHEMICAL CO | WHITE SPRINGS | FLORIDA | 499,453 |
| 1984 | OPEN PIT GROUP | DU PONT FLORIDA MINE | E. I. DU PONT | STARKE | FLORIDA | 348,035 |
| 1984 | QUARRY GROUP | MIDLOTHIAN QUARRY | TEXAS INDUSTRIES INC | MIDLOTHIAN | TEXAS | 180,502 |
| 1984 | SURFACE COAL GROUP | CORDERO MINE | CORDERO MINING COMPANY | GILLETTE | WYOMING | 466,469 |
| 1984 | UNDERGROUND COAL GROUP | CANADA NO.2 MINE | CANADA COAL COMPANY, INC. | KIMPER | KENTUCKY | 323,040 |
| 1984 | UNDERGROUND METAL GROUP | FLETCHER MINE | ST JOE MINERALS CORPORATION | BUNKER | MISSOURI | 86,735 |
| 1984 | UNDERGROUND NONMETAL GROUP | SHOALS MINE | UNITED STATES GYPSUM CO | SHOALS | INDIANA | 171,195 |
| 1983 | BANK OR PIT GROUP | WHITE MARSH PLANT | GENSTAR STONE PRODUCTS CO | BALTIMORE | MARYLAND | 152,896 |
| 1983 | DREDGE GROUP | DREDGE AND PLANT 34 | LONE STAR INDUSTRIES INC | EAGLE LAKE | TEXAS | 83,630 |
| 1983 | OPEN PIT GROUP | BATTLE MOUNTAIN MINE | DUVAL CORP | BATTLE MOUNT. | NEVADA | 400,930 |
| 1983 | QUARRY GROUP | KINGSTON QUARRY | TRAP ROCK INDUSTRIES INC | KINGSTON | NEW JERSEY | 363,293 |
| 1983 | SURFACE COAL GROUP | SQUAW CREEK MINE | PEABODY | BOONVILLE | INDIANA | 563,126 |
| 1983 | UNDERGROUND COAL GROUP | LEECO NUMBER 29 MINE | LEECO, INCORPORATED | WENDOVER | KENTUCKY | 271,170 |
| 1983 | UNDERGROUND METAL GROUP | BUICK MINE | AMAX LEAD COMPANY OF MO | BOSS | MISSOURI | 719,952 |
| 1983 | UNDERGROUND NONMETAL GROUP | PARACHUTE CREEK MINE | UNION OIL COMPANY OF CA | PARACHUTE | COLORADO | 268,822 |
| 1982 | BANK OR PIT GROUP | SAME | NA | NA | NA | 0 |
| 1982 | DREDGE GROUP | SAME | NA | NA | NA | 0 |
| 1982 | OPEN PIT GROUP | LONESOME MINE | BREWSTER PHOSPHATES | BRADLEY | FLORIDA | 403,201 |
| 1982 | QUARRY GROUP | NO INSP.AND NO RECORDS | NA | NA | NA | 0 |
| 1982 | SURFACE COAL GROUP | RAWHIDE MINE | THE CARTER MINING COMPANY | GILLETTE | WYOMING | 348,232 |
| 1982 | UNDERGROUND COAL GROUP | JENKINJONES NUMBER FOUR MINE | CONSOLIDATION COAL COMPANY | JENKINJONES | WEST VIRGINIA | 304,447 |
| 1982 | UNDERGROUND METAL GROUP | MAGMONT MINE | COMINCO AMERICAN INC | BIXBY | MISSOURI | 285,846 |
| 1982 | UNDERGROUND NONMETAL GROUP | SHOALS MINE | UNITED STATES GYPSUM CO | SHOALS | INDIANA | 148,156 |
| 1981 | BANK OR PIT GROUP | WHITE MARSH PLANT | GENSTAR STONE PRODUCTS CO | BALTIMORE | MARYLAND | 162,703 |
| 1981 | DREDGE GROUP | STANDARD MINE | STANDARD SAND AND SILICA CO | DAVENPORT | FLORIDA | 133,683 |
| 1981 | OPEN PIT GROUP | SUWANNEE RIVER MINE | OCCIDENTAL CHEMICAL CO | WHITE SPRINGS | FLORIDA | 498,869 |
| 1981 | QUARRY GROUP | KINGSTON QUARRY | TRAPROCK INDUSTRIES INC | KINGSTON | NEW JERSEY | 396,810 |
| 1981 | SURFACE COAL GROUP | GLENHAROLD MINE | CONSOLIDATION COAL COMPANY | STANTON | NORTH DAKOTA | 450,576 |
| 1981 | UNDERGROUND COAL GROUP | trophy taken from winner(injury) | ****************************** | NA | NA | 0 |
| 1981 | UNDERGROUND METAL GROUP | BRUSHY CREEK MINE | ST JOE MINERALS CORPORATION | VIBURNUM | MISSOURI | 186,776 |
| 1981 | UNDERGROUND NONMETAL GROUP | NASH DRAW MINE | DUVAL CORP | CARLSBAD | NEW MEXICO | 191,905 |
| 1980 | BANK OR PIT GROUP | LILESVILLE MINE | W R BONSAL CO | LILESVILLE | NORTH CAROLINA | 181,156 |
| 1980 | DREDGE GROUP | BLUE ROAN BEND DREDGE & PLANT | LONE STAR INDUSTRIES INC | GARWOOD | TEXAS | 199,594 |
| 1980 | OPEN PIT GROUP | ROCKLAND MINE | USS AGRI CHEMICAL | FORT MEADE | FLORIDA | 545,992 |
| 1980 | QUARRY GROUP | F E C QUARRY | RINKER SOUTHEASTERN MATERIALS | HIALEAH | FLORIDA | 268,569 |
| 1980 | SURFACE COAL GROUP | LEAHY STRIP | AMAX COAL COMPANY | CAMPBELL HILL | ILLINOIS | 670,282 |
| 1980 | UNDERGROUND COAL GROUP | NUMBER 25 MINE | BETH-ELKHORN CORPORATION | JENKINS | KENTUCKY | 332,079 |
| 1980 | UNDERGROUND METAL GROUP | FLETCHER MINE | ST JOE MINERALS CORPORATION | VIBURNUM | MISSOURI | 227,172 |
| 1980 | UNDERGROUND NONMETAL GROUP | PEERLESS MINE | MISSISSIPPI LIME CO | SAINTE GENEVI | MISSOURI | 314,440 |
| 1979 | BANK OR PIT GROUP | WHITE MARSH PLANT | FLINTKOTE STONE PRODUCTS CO | HUNT VALLEY | MARYLAND | 178,255 |
| 1979 | DREDGE GROUP | DOLEN DRIED SAND-64 | LONE STAR INDUSTRIES INC | HOUSTON | TEXAS | 153,941 |
| 1979 | OPEN PIT GROUP | ROCKLAND MINE | USS AGRI CHEMICAL | FORT MEADE | FLORIDA | 505,479 |
| 1979 | QUARRY GROUP | CEDARVILLE PLANT | UNITED STATES STEEL CORP | ROGERS CITY | MICHIGAN | 173,251 |
| 1979 | SURFACE COAL GROUP | SUN SPOT STRIP MINE | AMAX COAL CO | VERMONT | ILLINOIS | 478,898 |
| 1979 | UNDERGROUND COAL GROUP | #108 UNDERGROUND | BETHLEHEM MINES CORP | HODGESVILLE | WEST VIRGINIA | 336,960 |
| 1979 | UNDERGROUND METAL GROUP | BRUSHY CREEK MINE | ST JOE LEAD CO | VIBURNUM | MISSOURI | 250,345 |
| 1979 | UNDERGROUND NONMETAL GROUP | SPERRY MINE | UNITED STATES GYPSUM CO | SPERRY | IOWA | 112,769 |
| 1978 | BANK OR PIT GROUP | LILESVILLE MINE | W R BONSAL CO | LILESVILLE | NORTH CAROLINA | 174,857 |
| 1978 | DREDGE GROUP | ORTONA MINE | ORTONA SAND CO INC | LAKE WALES | FLORIDA | 0 |
| 1978 | OPEN PIT GROUP | COPPER CANYON MINE | DUVAL CORP | BATTLE MNT. | NEVADA | 322,003 |
| 1978 | QUARRY GROUP | JAMESVILLE QUARRY | ALLIED CHEMICAL CORP | JAMESVILLE | NEW YORK | 159,063 |
| 1978 | SURFACE COAL GROUP | DUGGER STRIP MINE | PEABODY | DUGGER | INDIANA | 296,991 |
| 1978 | UNDERGROUND COAL GROUP | MINE NUMBER 108 UG. | BETHLEHEM MINES CORPORATION | HODGESVILLE | WEST VIRGINIA | 268,802 |
| 1978 | UNDERGROUND METAL GROUP | MAGMONT UNDERGROUND MINE | COMINCO AMERICAN INCORPORATED | BIXBY | MISSOURI | 384,712 |
| 1978 | UNDERGROUND NONMETAL GROUP | SPERRY MINE | UNITED STATES GYPSUM CO | SPERRY | IOWA | 137,568 |
| 1977 | BANK OR PIT GROUP | EVANSVILLE PLANT | EVANSVILLE MATERIALS CO | NA | INDIANA | 155,604 |
| 1977 | DREDGE GROUP | MAURICETOWN DREDGE | JESSE S MORIE & SON INC | NA | NEW JERSEY | 158,378 |
| 1977 | OPEN PIT GROUP | BAGDAD MINE | CYPRUS BAGDAD COPPER CO | BAGDAD | ARIZONA | 633,745 |
| 1977 | QUARRY GROUP | NORTH BRANFORD PLANT NO.7 | NEWHAVEN TRAPROCK TOMASSO | NORTHBRANFORD | CONNECTICUT | 277,777 |
| 1977 | SURFACE COAL GROUP | NUMBER 1 STRIP | MOUNTAIN DRIVE COAL COMPANY | MIDDLESBORO | KENTUCKY | 581,188 |
| 1977 | UNDERGROUND COAL GROUP | ROWLAND #3 UNDERGROUND | CONSOLIDATION COAL COMPANY | BECKLEY | WEST VIRGINIA | 305,220 |
| 1977 | UNDERGROUND METAL GROUP | SECTION 30 MINE | KERR MCGEE NUCLEAR CORPORATION | NA | NEW MEXICO | 318,191 |
| 1977 | UNDERGROUND NONMETAL GROUP | SHOALS MINE | UNITED STATES GYPSUM CO | SHOALS | INDIANA | 66,389 |
| 1976 | BANK OR PIT GROUP | EAGLE LAKE PIT | PARKER BROS CO INC | NA | TEXAS | 167,315 |
| 1976 | DREDGE GROUP | SENSIBAR DREDGE | CAC CORPORATION | NA | TENNESSEE | 214,861 |
| 1976 | OPEN PIT GROUP | FORT MEADE MINE | MOBIL CHEMICAL CO | FORT MEADE | FLORIDA | 392,244 |
| 1976 | QUARRY GROUP | CALCITE PLANT | U S STEEL CORP | ROGERS CITY | MICHIGAN | 272,106 |
| 1976 | SURFACE COAL GROUP | LEAHY | AMAX COAL COMPANY | CAMPBELL HILL | ILLINOIS | 441,832 |
| 1976 | UNDERGROUND COAL GROUP | ROSE VALLEY NO.6 UNDERGROUND | CONSOLIDATION COAL COMPANY | HOPEDALE | OHIO | 535,891 |
| 1976 | UNDERGROUND METAL GROUP | SANDSTONE | UNITED NUCLEAR CORPORATION | GRANTS | NEW MEXICO | 251,968 |
| 1976 | UNDERGROUND NONMETAL GROUP | JONATHAN MINE | COLUMBIA CEMENT CORP FILTROL | ZANESVILLE | OHIO | 153,874 |
| 1975 | OPEN PIT GROUP | HAYNSWORTH MINE | AMERICAN CYANAMID CO | BRADLEY | FLORIDA | 565,085 |
| 1975 | QUARRY GROUP | JAMESVILLE QUARRY | ALLIED CHEM CORP IND DIV | JAMESVILLE | NEW YORK | 363,625 |
| 1975 | SURFACE COAL GROUP | EGYPT VALLEY NO.21 STRIP MINE | CONSOLIDATION COAL CO., CEN.D. | HENDRYSBURG | OHIO | 711,833 |
| 1975 | UNDERGROUND COAL GROUP | BANNING NO.4 MINE | REPUBLIC STEEL CORPORATION | W.NEWTON | PENNSYLVANIA | 550,892 |
| 1975 | UNDERGROUND METAL GROUP | MAGMONT MINE | COMINCO AMERICAN INCORPORATED | BIXBY | MISSOURI | 360,493 |
| 1975 | UNDERGROUND NONMETAL GROUP | JONATHAN MINE & MILL | COLUMBIA CEMENT CORP | ZANESVILLE | OHIO | 138,148 |
| 1974 | BANK OR PIT GROUP | KINGSLAND PIT | LONE STAR INDUSTRY INC | RICHMOND | VIRGINIA | 233,892 |
| 1974 | DREDGE GROUP | LAKE ERIE PIT | ERIE S STEAM SHIP CO | ERIE | PENNSYLVANIA | 174,491 |
| 1974 | OPEN PIT GROUP | COPPER QUEEN BRANCH LAVENDER P | PHELPS DODGE CORP | BISBEE | ARKANSAS | 556,239 |
| 1974 | QUARRY GROUP | JAMESVILLE QUARRY | ALLIED CHEMICAL CORP | JAMESVILLE | NEW YORK | 368,685 |
| 1974 | SURFACE COAL GROUP | WRIGHT STRIP MINE | AMAX COAL CO. | EVANSVILLE | INDIANA | 308,675 |
| 1974 | UNDERGROUND COAL GROUP | MATHIES MINE & PREPARATION PL. | MATHIES COAL CO. | FINLEYVILLE | PENNSYLVANIA | 943,957 |
| 1974 | UNDERGROUND METAL GROUP | DEREMO-SNYDER MINE | UNION CARBIDE CORP | DOVE CREEK | COLORADO | 173,764 |
| 1974 | UNDERGROUND NONMETAL GROUP | PRAIRIE DU ROCHER QUARRY | ALLIED CHEMICAL CORP | PRAIRIE D RO. | ILLINOIS | 122,074 |
| 1973 | BANK OR PIT GROUP | HOOT PLANT | GIFFORD HILL & CO INC | NA | ARKANSAS | 122,661 |
| 1973 | DREDGE GROUP | KINDER DREDGE | GIFFORD HILL CO & INC | NA | LOUISIANA | 110,818 |
| 1973 | OPEN PIT GROUP | FT MEADE MINE | MOBIL CHEMICAL CO | NA | FLORIDA | 465,986 |
| 1973 | QUARRY GROUP | CAMAK QUARRY | MARTIN MARIETTA AGGR-SE DIV. | NA | GEORGIA | 165,887 |
| 1973 | SURFACE COAL GROUP | BURNING STAR #3 STRIP | CONSL COAL-MIDWESTERN DIV. | SPARTA | ILLINOIS | 323,533 |
| 1973 | UNDERGROUND COAL GROUP | MAPLE CREEK #2 | U.S. STEEL CORP. | NEW EAGLE | PENNSYLVANIA | 674,468 |
| 1973 | UNDERGROUND METAL GROUP | INDIAN CREEK #23 | ST JOE MINERALS CORP | NA | MISSOURI | 234,130 |
| 1973 | UNDERGROUND NONMETAL GROUP | CLARENCE CENTER PIT | NATIONAL GYPSUM CO | NA | NEW YORK | 168,289 |
| 1972 | BANK OR PIT GROUP | MARLBORO MINE | BECKER S & G CO | BENNETTSVILLE | SOUTH CAROLINA | 237,837 |
| 1972 | OPEN PIT GROUP | TRIPP VETERAN RUTH PIT | KENNECOTT COPPER CORP | MCGIL | NEVADA | 1,126,410 |
| 1972 | QUARRY GROUP | SUWANNEEE QUARRY | SHANDS & BAKER, INC. | LIVE OAK | FLORIDA | 273,646 |
| 1972 | SURFACE COAL GROUP | GEORGETOWN NO.24 | CONSOLIDATION COAL CO. | CADIZ | OHIO | 153,198 |
| 1972 | UNDERGROUND COAL GROUP | ROBENA NO.1 MINE | U.S. STEEL CORP. | CARMICHAELS | PENNSYLVANIA | 740,496 |
| 1972 | UNDERGROUND METAL GROUP | OZARK LEAD MINE | OZARK LEAD CO | SWEETWATER | MISSOURI | 276,224 |
| 1972 | UNDERGROUND NONMETAL GROUP | CARLSBAD POTASH PROPERTIES | DURAL CORP | CARSLBAD | NEW MEXICO | 795,397 |
| 1971 | BANK OR PIT GROUP | MARLBORO MINE | BECKER S & G CO | BENNETTSVILLE | SOUTH CAROLINA | 237,837 |
| 1971 | OPEN PIT GROUP | SHERMAN MINE | U S STEEL CORP | CHESHOLM | MINNESOTA | 418,099 |
| 1971 | QUARRY GROUP | THORNTON QUARRY | GENERAL DYNAMICS CORP. | THORNTON | ILLINOIS | 407,030 |
| 1971 | SURFACE COAL GROUP | BIG HORN NO.1 STRIP | BIG HORN COAL CO. | SHERIDAN | WYOMING | 238,918 |
| 1971 | UNDERGROUND COAL GROUP | SOMERSET MINE | U.S. STEEL CORP. | SOMERSET | COLORADO | 334,967 |
| 1971 | UNDERGROUND METAL GROUP | OZARK LEAD MINE | OZARK LEAD CO | SWEETWATER | MICHIGAN | 394,698 |
| 1971 | UNDERGROUND NONMETAL GROUP | BIG ISLAND MINE | STAUFFER CHEMICAL CO OF WY | GREEN RIVER | WYOMING | 193,287 |
| 1970 | BANK OR PIT GROUP | MARLBORO MINE | S & G CO | BENNETTSVILLE | SOUTH CAROLINA | 223,443 |
| 1970 | OPEN PIT GROUP | THUNDERBIRD MINE | EVELETH TACONITE CO | EVELETH | MINNESOTA | 383,045 |
| 1970 | QUARRY GROUP | PORT INLAND QUARRY | INLAND STEEL CO. | GULLIVER | MICHIGAN | 535,429 |
| 1970 | SURFACE COAL GROUP | W.FARM #22 MINE | CONSOLIDATION COAL CO. | SMITHFIELD | OHIO | 213,637 |
| 1970 | UNDERGROUND COAL GROUP | ROBENA # 1 MINE. | U.S. STEEL CORP. | CARMICHAELS | PENNSYLVANIA | 671,438 |
| 1970 | UNDERGROUND METAL GROUP | JEFF. CITY MINE | U S STEEL CORP | JEFFERSON | TENNESSEE | 374,711 |
| 1970 | UNDERGROUND NONMETAL GROUP | CARLSBAD POTASH PROPERTIES MIN | DURAL CORP | CARLSBAD | NEW MEXICO | 692,131 |
| 1969 | BANK OR PIT GROUP | MARTIN PIT | SILVER HILL S & G CO | SILVER HILL | MARYLAND | 424,844 |
| 1969 | OPEN PIT GROUP | SANTA RITA MINE | KENNECOTT COPPER CORP | SANTA RITA | NEW MEXICO | 1,099,799 |
| 1969 | QUARRY GROUP | CALCITE QUARRY | U.S. STEEL CORP. | ROGERS CITY | MICHIGAN | 1,199,003 |
| 1969 | SURFACE COAL GROUP | SANDOW STRIP MINE | INDUSTRIAL GENERATING CO. | ROCKDALE | TEXAS | 250,768 |
| 1969 | UNDERGROUND COAL GROUP | ROBENA #1 MINE | U.S. STEEL CORP. | CARMICHAELS | PENNSYLVANIA | 386,785 |
| 1969 | UNDERGROUND METAL GROUP | FLAT GAP MINE | NJ ZINC CO | TREADWAY | TENNESSEE | 281,847 |
| 1969 | UNDERGROUND NONMETAL GROUP | CARLSBAD POTASH PROPER. MINE | DUVAL CORP | CARLSBAD | NEW MEXICO | 486,572 |
| 1968 | BANK OR PIT GROUP | SPRINGFIELD PLANT | VIRGINA S & G CO | SPRINGFIELD | VIRGINIA | 193,338 |
| 1968 | OPEN PIT GROUP | HOYT LAKES MINE | PICKANDS MATHER & CO | HOYT LAKES | MINNESOTA | 1,591,967 |
| 1968 | QUARRY GROUP | MILLARD QUARRY | BETHLEHEM MINES CORP. | ANNVILLE | PENNSYLVANIA | 441,522 |
| 1968 | SURFACE COAL GROUP | EGYPT VALLEY NO.21 MINE | CONSOLIDATION COAL CO. | BARNESVILLE | OHIO | 341,364 |
| 1968 | UNDERGROUND COAL GROUP | NO.2 MINE | U.S. STEEL CORP. | WILCOE | WEST VIRGINIA | 690,139 |
| 1968 | UNDERGROUND METAL GROUP | DEREMO MINE | UNION CARBIDE CORP | EGNAR | COLORADO | 319,883 |
| 1968 | UNDERGROUND NONMETAL GROUP | SAUNDERS MINE | DUVAL CORP | CARLSBAD | NEW MEXICO | 662,110 |
| 1967 | BANK OR PIT GROUP | NA | NA | NA | NA | 0 |
| 1967 | OPEN PIT GROUP | SHERMAN MINE | U S STEEL CORP | CHISHOLM | MINNESOTA | 411,145 |
| 1967 | QUARRY GROUP | MILLARD QUARRY | BETHLEHEM MINES CORP. | ANNVILLE | PENNSYLVANIA | 486,188 |
| 1967 | SURFACE COAL GROUP | CRESCENT VALLEY # 7 MINE | CONSOLIDATION COAL CO. | HOLLOWAY | OHIO | 218,225 |
| 1967 | UNDERGROUND COAL GROUP | ROBENA NO.3 MINE | U.S. STEEL CORP. | CARMICHAELS | PENNSYLVANIA | 703,906 |
| 1967 | UNDERGROUND METAL GROUP | NO.4 MINE | BETHLEHEM COMES CORP | CORNWALL | PENNSYLVANIA | 548,967 |
| 1967 | UNDERGROUND NONMETAL GROUP | BARBERTON MINE | PITTSBURGH PLATE GLASS CO | BARBERTON | OHIO | 286,518 |
| 1966 | BANK OR PIT GROUP | COLUMBUS 2A PLANT | AMERICAN AGGREGATES CORP. | COLUMBUS | OHIO | 173,426 |
| 1966 | OPEN PIT GROUP | SHERMAN MINE | U S STEEL CORP | CHISHOLM | MINNESOTA | 601,703 |
| 1966 | QUARRY GROUP | THORNTON QUARRY | GENERAL DYNAMICS CORP. | THORNTON | ILLINOIS | 374,126 |
| 1966 | SURFACE COAL GROUP | NO.2 MINE | CONSOLIDATION COAL CO. | PINCKNEYVILLE | ILLINOIS | 311,693 |
| 1966 | UNDERGROUND COAL GROUP | KAREN MINE | U.S. STEEL CORP. | FREDERICKTOWN | PENNSYLVANIA | 454,079 |
| 1966 | UNDERGROUND METAL GROUP | CALLOWAY MINE | TN COPPER CO. | DUCKTOWN | TENNESSEE | 247,424 |
| 1966 | UNDERGROUND NONMETAL GROUP | BARBERTON MINE | PITTSBURGH PLATE GLASS CO | BARBERTON | OHIO | 297,124 |
| 1965 | BANK OR PIT GROUP | ELIOT #104 PLANT | PACIFIC CEMENT & AGGREGATE INC | PLEASANTON | CALIFORNIA | 128,368 |
| 1965 | OPEN PIT GROUP | PIERCE GROUP MINE | HANNA ORE MINING CO | HIBBING | MINNESOTA | 368,306 |
| 1965 | QUARRY GROUP | CALCITE QUARRY | UNITED STATES STEEL CORP | ROGERS CITY | MICHIGAN | 1,083,852 |
| 1965 | SURFACE COAL GROUP | MINE # 2 | CONSOLIDATED COAL CO | PINCKNEYVILLE | ILLINOIS | 291,830 |
| 1965 | UNDERGROUND COAL GROUP | ROBENA NO 4 MINE | UNITED STATES STEEL CORP | WAYNESBURG | PENNSYLVANIA | 662,828 |
| 1965 | UNDERGROUND METAL GROUP | NO 4 MINE | BETHLEHEM MINES CORP | CORNWALL | PENNSYLVANIA | 603,749 |
| 1965 | UNDERGROUND NONMETAL GROUP | BARBERTON MINE | PITTSBURGH PLATE GLASS CO | BARBERTON | OHIO | 342,510 |
| 1964 | BANK OR PIT GROUP | ELIOT 104 PLANT | PACIFIC CEMENT & AGGREGATE INC | PLEASANTON | CALIFORNIA | 123,380 |
| 1964 | OPEN PIT GROUP | HOYT LAKES MINE | PICKANDS MATHER & CO | ST LOUIS CTY | MINNESOTA | 1,509,670 |
| 1964 | QUARRY GROUP | CALCITE QUARRY | UNITED STATES STEEL CORP | ROGERS CITY | MICHIGAN | 893,185 |
| 1964 | SURFACE COAL GROUP | GEORGETOWN NO 12 MINE | HANNA COAL CO | HARRISON CTY | OHIO | 275,623 |
| 1964 | UNDERGROUND COAL GROUP | NO 8 MINE | ARMCO STEEL CORP | BOONE CTY | WEST VIRGINIA | 415,299 |
| 1964 | UNDERGROUND METAL GROUP | GENEVA MINE | PICKANDS MATHER & CO | GOGEBIC CTY | MICHIGAN | 465,639 |
| 1964 | UNDERGROUND NONMETAL GROUP | BELLEFONTE MINE | NATIONAL GYPSUM CO | CENTER CNTY | PENNSYLVANIA | 257,911 |
| 1963 | BANK OR PIT GROUP | COLUMBUS 2A PLANT | AMERICAN AGGREGATE CORP. | COLUMBUS | OHIO | 139,617 |
| 1963 | OPEN PIT GROUP | PETER MITCHELL MINE | RESERVE MINING CO | BABBITT | MINNESOTA | 2,379,625 |
| 1963 | QUARRY GROUP | PORT INLAND QUARRY | INLAND LIME & STONE CO. | GULLIVER | MICHIGAN | 568,711 |
| 1963 | UNDERGROUND ANTHRACITE COAL GROUP | PHILLIPS SLOPE MINE | PHILLIPS COAL CO. | TREVORTON | PENNSYLVANIA | 31,311 |
| 1963 | UNDERGROUND BITUMINOUS COAL GROUP | KAREN MINE | U.S. STEEL CORP. | FREDERICKTOWN | PENNSYLVANIA | 427,350 |
| 1963 | UNDERGROUND METAL GROUP | MESA CREEK MINE | UNION CARBIDE NUCLEAR CO. | URAVAN | COLORADO | 178,030 |
| 1963 | UNDERGROUND NONMETAL GROUP | BELLEFONTE MINE | NATIONAL GYPSUM CO | BELLEFONTE | PENNSYLVANIA | 226,283 |
| 1962 | BANK OR PIT GROUP | FAIR OAKS NO.11 PLANT | PACIFIC CEMENT & AGGREGATE INC | FAIR OAKS | CALIFORNIA | 160,048 |
| 1962 | OPEN PIT GROUP | SHERMAN MINE | U S STEEL CORP | CHISHOLM | MINNESOTA | 716,563 |
| 1962 | QUARRY GROUP | CALCITE QUARRY | U.S. STEEL CORP. | ROGERS CITY | MICHIGAN | 910,881 |
| 1962 | UNDERGROUND ANTHRACITE COAL GROUP | PENAG MINE | PENAG COAL CO. | GOOD SPRING | PENNSYLVANIA | 163,037 |
| 1962 | UNDERGROUND BITUMINOUS COAL GROUP | MAPLE CREEK MINE | U.S. STEEL CORP. | NEW EAGLE | PENNSYLVANIA | 433,378 |
| 1962 | UNDERGROUND METAL GROUP | DEREMO MINE | UNION CARBIDE NUCLEAR CO. | DOVE CREEK | COLORADO | 221,279 |
| 1962 | UNDERGROUND NONMETAL GROUP | BELLEFONTE MINE | NATIONAL GYPSUM CO | BELLEFONTE | PENNSYLVANIA | 256,667 |
| 1961 | BANK OR PIT GROUP | ELIOT N.104 PLANT | PACIFIC CEMENT & AGGREGATE INC | PLEASANTON | CALIFORNIA | 150,303 |
| 1961 | OPEN PIT GROUP | IRON MTN & DESERT MOUND MINES | COLUMBIA IRON MINING CO | CEDAR CITY | UTAH | 444,033 |
| 1961 | QUARRY GROUP | CALCITE QUARRY | U.S. STEEL CORP. | ROGERS CITY | MICHIGAN | 922,297 |
| 1961 | UNDERGROUND ANTHRACITE COAL GROUP | NEWKIRK TUNNEL MINE | NEWKIRK MINING CO. | TAMAQUA | PENNSYLVANIA | 55,181 |
| 1961 | UNDERGROUND BITUMINOUS COAL GROUP | MAPLE CREEK MINE | U.S. STEEL CORP. | NEW EAGLE | PENNSYLVANIA | 305,836 |
| 1961 | UNDERGROUND METAL GROUP | PIONEER UG MINE | U.S. STEEL CORP. | ELY | MINNESOTA | 687,961 |
| 1961 | UNDERGROUND NONMETAL GROUP | BELLEFONTE MINE | NATIONAL GYPSUM CO | BELLEFONTE | PENNSYLVANIA | 239,336 |
| 1960 | BANK OR PIT GROUP | HOOT PLANT | GIFFORD-HILL & CO. INC., | TEXARKANA | ARKANSAS | 162,028 |
| 1960 | OPEN PIT GROUP | MONROE NO 12 MINE | OLIVER IRON MINING DIV | CHISHOLM | MINNESOTA | 518,046 |
| 1960 | QUARRY GROUP | CALCITE QUARRY | U.S. STEEL CORP. | ROGERS CITY | MICHIGAN | 983,750 |
| 1960 | UNDERGROUND ANTHRACITE COAL GROUP | HUBER COLLIERY | GLEN ALDEN CORP. | ASHLEY | PENNSYLVANIA | 763,202 |
| 1960 | UNDERGROUND BITUMINOUS COAL GROUP | COLUMBIA MINE | COLUMBIA-GENEVA STEEL DIV. | COLUMBIA | UTAH | 463,253 |
| 1960 | UNDERGROUND METAL GROUP | JEFF. CITY MINES | U.S. STEEL CORP. | JEFFER. CITY | TENNESSEE | 318,725 |
| 1960 | UNDERGROUND NONMETAL GROUP | JONATHAN MINE | COLUMBIA CEMENT CORP | ZANESVILLE | OHIO | 698,930 |
| 1959 | BANK OR PIT GROUP | FRED PLANT | SW CONSTRUCTION MATERIALS CO. | GRAND PRAIRIE | TEXAS | 181,673 |
| 1959 | OPEN PIT GROUP | ROUCHLEAU MINE | OLIVER ITON MINING DIV | VIRGINIA | MINNESOTA | 627,409 |
| 1959 | QUARRY GROUP | PORT INLAND QUARRY | INLAND LIME & STONE CO. | GULLIVER | MICHIGAN | 451,317 |
| 1959 | UNDERGROUND ANTHRACITE COAL GROUP | STOCKTON MINE | JEDDO-HIGHLAND COAL CO. | STOCKTON | PENNSYLVANIA | 57,329 |
| 1959 | UNDERGROUND BITUMINOUS COAL GROUP | HARWICK MINE | DUQUESNE LIGHT CO. | HARWICK | PENNSYLVANIA | 355,088 |
| 1959 | UNDERGROUND METAL GROUP | WAUSECA MINE | HANNA MINING CO. | IRON RIVER | MICHIGAN | 332,563 |
| 1959 | UNDERGROUND NONMETAL GROUP | AKRON MINE | BESTWALL GYPSUM CO | AKRON | NEW YORK | 265,192 |
| 1958 | BANK OR PIT GROUP | HOOT PIT-PLANT | GIFFORD-HILL & CO. INC. | TEXARKANA | ARKANSAS | 159,343 |
| 1958 | OPEN PIT GROUP | ERIE COMMERCIAL MINE | PICKANDS MATHER & CO | HOYT LAKES | MINNESOTA | 1,235,226 |
| 1958 | QUARRY GROUP | THORNTON QUARRY | MATERIAL SERVICE CORP. | THORNTON | ILLINOIS | 437,100 |
| 1958 | UNDERGROUND ANTHRACITE COAL GROUP | GERMANTOWN COLLIERY | RAVEN RUN COAL CO. | CENTRALIA | PENNSYLVANIA | 415,914 |
| 1958 | UNDERGROUND BITUMINOUS COAL GROUP | NO.14 MINE | U.S. STEEL CORP. | GARG | WEST VIRGINIA | 693,817 |
| 1958 | UNDERGROUND METAL GROUP | PIONEER MINE | OLIVER IRON MINING DIVISION | ELY | MINNESOTA | 713,118 |
| 1958 | UNDERGROUND NONMETAL GROUP | GRAND RAPIDS MINE | BESTWALL GYPSUM CO | GRAND RAPIDS | MICHIGAN | 220,111 |
| 1957 | BANK OR PIT GROUP | HOOT DRY-WET PIT PLANT | GIFFORD-HILL & CO. INC. | TEXARKANA | ARKANSAS | 155,907 |
| 1957 | OPEN PIT GROUP | MS GROUP MINE | HANNA ORE MINING CO | KEEWATIN | MINNESOTA | 628,549 |
| 1957 | QUARRY GROUP | CALCITE QUARRY | MI LIMESTONE DIVISION | ROGERS CITY | MICHIGAN | 1,142,423 |
| 1957 | UNDERGROUND ANTHRACITE COAL GROUP | PINE KNOT COLLIERY | READING ANTHRACITE CO. | MINERSVILLE | PENNSYLVANIA | 160,915 |
| 1957 | UNDERGROUND BITUMINOUS COAL GROUP | REPUBLIC MINE | REPUBLIC STEEL CORP. | ELKHORN CITY | KENTUCKY | 413,198 |
| 1957 | UNDERGROUND METAL GROUP | CALLOWAY MARY MINE | TN COPPER CO. | COPPERHILL | TENNESSEE | 219,085 |
| 1957 | UNDERGROUND NONMETAL GROUP | BELLEFONTE MINE | NATIONAL GYPSUM CO | BELLEFONTE | PENNSYLVANIA | 313,925 |
| 1956 | BANK OR PIT GROUP | LAFAYETTE DRY-BANK PLANT | W. INDIANA GRAVEL CO. | LAFAYETTE | INDIANA | 131,930 |
| 1956 | OPEN PIT GROUP | EMBARRASS MINE | PICKANDS MATHER & CO | BIWABIK | MINNESOTA | 505,932 |
| 1956 | QUARRY GROUP | ALPENA QUARRY | WYANDOTTE CHEMICAL CORP. | ALPENA | MICHIGAN | 474,228 |
| 1956 | UNDERGROUND ANTHRACITE COAL GROUP | GOODSPRING MINE | PENAG COAL CO. | GOODSPRING | PENNSYLVANIA | 106,162 |
| 1956 | UNDERGROUND BITUMINOUS COAL GROUP | EDGEWATER MINE | TN COAL & IRON DIV. U.S. STEEL | WYLAM | ALABAMA | 766,644 |
| 1956 | UNDERGROUND METAL GROUP | BUCK MINE | PICKANDS MATHER & CO. | CASPIAN | MICHIGAN | 493,207 |
| 1956 | UNDERGROUND NONMETAL GROUP | BELL MINE | WARNER CO | BELLEFONTE | PENNSYLVANIA | 277,540 |
| 1955 | BANK OR PIT GROUP | MARQUETTE SAND & GRAVEL PLANT | MARQUETTE CEMENT MANUF. CO. | MEMPHIS | TENNESSEE | 40,151 |
| 1955 | OPEN PIT GROUP | ERIE COMMERCIAL MINE | PICKANDS MATHER & CO | AURORA | MINNESOTA | 558,010 |
| 1955 | QUARRY GROUP | HILLSVILLE QUARRY | MI LIMESTONE DIV. U.S.STELL CO | HILLSVILLE | PENNSYLVANIA | 400,053 |
| 1955 | UNDERGROUND ANTHRACITE COAL GROUP | GERMANTOWN COLLIERY | RAVEN RUN COAL CO. | CENTRALIA | PENNSYLVANIA | 360,900 |
| 1955 | UNDERGROUND BITUMINOUS COAL GROUP | LABUCO MINE | AL BY-PRODUCTS CORP. | FLAT CREEK | ALABAMA | 168,153 |
| 1955 | UNDERGROUND METAL GROUP | ZENITH MINE | PICKANDS MATHER & CO. | ELY | MINNESOTA | 529,373 |
| 1955 | UNDERGROUND NONMETAL GROUP | BELL MINE | WARNER CO | BELLEFONTE | PENNSYLVANIA | 264,075 |
| 1954 | BANK OR PIT GROUP | DOLEN DREDGE PLANT | TX CONSTRUCTION MATERIAL CO. | ROMANYAR | TEXAS | 154,550 |
| 1954 | OPEN PIT GROUP | MAHONING MINE | PICKANDS MATHER & CO | HIBBING | MINNESOTA | 527,355 |
| 1954 | QUARRY GROUP | THORNTON QUARRY | MATERIAL SERVICE CORP. | THORNTON | ILLINOIS | 457,570 |
| 1954 | UNDERGROUND ANTHRACITE COAL GROUP | NO.5 HILL MINE | PLOSKONKA COAL CO. | ARCHBALD | PENNSYLVANIA | 72,405 |
| 1954 | UNDERGROUND BITUMINOUS COAL GROUP | LABUCO MINE | AL-BY-PRODUCTS CORP. | FLAT CREEK | ALABAMA | 109,955 |
| 1954 | UNDERGROUND METAL GROUP | ZENITH MINE | PICKANDS MATHER & CO. | ELY | MINNESOTA | 501,160 |
| 1954 | UNDERGROUND NONMETAL GROUP | NO.6 MINE | U S GYPSUM CO | PLASTERCO | VIRGINIA | 334,244 |
| 1953 | BANK OR PIT GROUP | MARQUETTE WET-PIT PLANT | MARQUETTE CEMENT MANUF. CO. | MEMPHIS | TENNESSEE | 142,301 |
| 1953 | OPEN PIT GROUP | MAHONING MINE | PICKANDS MATHER & CO | HIBBING | MINNESOTA | 773,666 |
| 1953 | QUARRY GROUP | ALPENA QUARRY | WYANDOTTE CHEMICAL CO. | ALPENA | MICHIGAN | 459,668 |
| 1953 | UNDERGROUND ANTHRACITE COAL GROUP | COAL BROOK COLLIERY | HUDSON COAL CO. | CARBONDALE | PENNSYLVANIA | 209,088 |
| 1953 | UNDERGROUND BITUMINOUS COAL GROUP | HANNA NO.4-A MINE | UNION PACIFIC COAL CO. | HANNA | WYOMING | 374,702 |
| 1953 | UNDERGROUND METAL GROUP | CALLOWAY-MARY MINE | TN COPPER CO. | DUCKTOWN | TENNESSEE | 145,088 |
| 1953 | UNDERGROUND NONMETAL GROUP | ANNANDALE MINE | MI LIMESTONE DIV U S CORP | BOYERS | PENNSYLVANIA | 896,629 |
| 1952 | BANK OR PIT GROUP | DREDGE FRANKLIN PLANT | WARNER CO. | TULLYTOWN | PENNSYLVANIA | 110,279 |
| 1952 | OPEN PIT GROUP | NORALYN MINE | INTERNATIONAL MIN & CHEM CO | BARTOW | FLORIDA | 715,588 |
| 1952 | QUARRY GROUP | HILLSVILLE QUARRY | MI LIMESTONE DIV. US STEEL CO. | HILLSVILLE | PENNSYLVANIA | 452,548 |
| 1952 | UNDERGROUND ANTHRACITE COAL GROUP | HUNTER TUNNEL MINE | PHILADELPHIA & READING COAL CO | ASHLAND | PENNSYLVANIA | 77,336 |
| 1952 | UNDERGROUND BITUMINOUS COAL GROUP | SHORT CREEK MINE | TN COAL & IRON DIV. U.S. CORP. | ADAMSVILLE | ALABAMA | 588,788 |
| 1952 | UNDERGROUND METAL GROUP | BUCK MINE | PICKANDS MATHER & CO. | CASPIAN | MICHIGAN | 685,388 |
| 1952 | UNDERGROUND NONMETAL GROUP | ANNANDALE MINE | MI LIMESTONE DIV U S CORP | BOYERS | PENNSYLVANIA | 746,135 |
| 1951 | BANK OR PIT GROUP | GIFFORD DRY-WET-PIT PLANT | GIFFORD HILL & CO. | MINDEN | LOUISIANA | 149,808 |
| 1951 | OPEN PIT GROUP | MOUNTAIN IRON MINE | U S STEEL CO | MOUNTAIN IRON | MINNESOTA | 789,644 |
| 1951 | QUARRY GROUP | PORT INLAND QUARRY | INLAND LIME & STONE CO. | GULLIVER | MICHIGAN | 808,389 |
| 1951 | UNDERGROUND ANTHRACITE COAL GROUP | NO.5 HILL MINE | PLOSKONKA COAL CO. | ARCHBALD | PENNSYLVANIA | 73,777 |
| 1951 | UNDERGROUND BITUMINOUS COAL GROUP | RELIANCE NO.7 MINE | UNION PACIFIC COAL CO. | RELIANCE | WYOMING | 464,666 |
| 1951 | UNDERGROUND METAL GROUP | SOUDAN MINE | OLIVER IRON MINING DIV. CORP. | SOUDAN | MINNESOTA | 501,530 |
| 1951 | UNDERGROUND NONMETAL GROUP | RETSOF MINE | INTERNATIONAL SALT CO | RETSOF | NEW YORK | 561,198 |
| 1950 | BANK OR PIT GROUP | EAGLE LAKE DREDGE PLANT | TX CONSTRUCTION MATERIAL CO. | EAGLE LAKE | TEXAS | 129,880 |
| 1950 | OPEN PIT GROUP | EMBARRASS MINE | PICKANDS MATHER & CO | BIWABIK | MINNESOTA | 650,259 |
| 1950 | QUARRY GROUP | ROGERS CITY QUARRY | MI LIMESTONE & CHEMICAL CO. | ROGERS CITY | MICHIGAN | 1,273,376 |
| 1950 | UNDERGROUND ANTHRACITE COAL GROUP | BIRDSEYE MINE | HUDSON COAL CO. | THROOP | PENNSYLVANIA | 113,738 |
| 1950 | UNDERGROUND BITUMINOUS COAL GROUP | RELIANCE NO.7 MINE | UNION PACIFIC COAL CO. | RELIANCE | WYOMING | 449,090 |
| 1950 | UNDERGROUND METAL GROUP | TOBIN MINE | REPUBLIC STEEL CORP. | CRYSTAL FALLS | MICHIGAN | 321,683 |
| 1950 | UNDERGROUND NONMETAL GROUP | BARBERTON MINE | PITTSBURGH PLATE GLASS CO | BARBERTON | OHIO | 402,775 |
| 1949 | BANK OR PIT GROUP | DOLEN WET-PIT PLANT | TX CONSTRUCTION MATERIAL CO. | ROMAYOR | TEXAS | 108,310 |
| 1949 | OPEN PIT GROUP | EMBARRASS MINE | PICKANDS MATHER & CO | BIWABIK | MINNESOTA | 596,879 |
| 1949 | QUARRY GROUP | DOLONAH QUARRY | TN COAL, IRON & RAILROAD CO. | BESSMER | ALABAMA | 285,223 |
| 1949 | UNDERGROUND ANTHRACITE COAL GROUP | STEVENS SHAFT MINE | KEHOE-BERGE COAL CO. | EXETER | PENNSYLVANIA | 109,074 |
| 1949 | UNDERGROUND BITUMINOUS COAL GROUP | RELIANCE NO.7 MINE | UNION PACIFIC COAL CO. | RELIANCE | WYOMING | 386,750 |
| 1949 | UNDERGROUND METAL GROUP | NO.2 MINE | AMERICAN ZINC CO. OF TN | MASCOT | TENNESSEE | 410,051 |
| 1949 | UNDERGROUND NONMETAL GROUP | BELLEFONTE MINE | NATIONAL GYPSUM CO | BELLEFONTE | PENNSYLVANIA | 234,618 |
| 1948 | BANK OR PIT GROUP | DREDGE NO.9 RIVER PLANT | DRAVO CORP. KEYSTONE DIVISION | NERILLE | PENNSYLVANIA | 106,683 |
| 1948 | OPEN PIT GROUP | SPRUCE MINE | OLIVER IRON MINING CO | EVELETH | MINNESOTA | 5,882,210 |
| 1948 | QUARRY GROUP | HANOVER QUARRY | BETHLEHEM STEEL CO. | HANOVER | PENNSYLVANIA | 241,924 |
| 1948 | UNDERGROUND ANTHRACITE COAL GROUP | HUNTER TUNNEL MINE | PHILA & READING COAL & IRON CO | ASHLAND | PENNSYLVANIA | 127,974 |
| 1948 | UNDERGROUND BITUMINOUS COAL GROUP | RELIANCE NO.7 MINE | UNION PACIFIC COAL CO. | RELIANCE | WYOMING | 383,888 |
| 1948 | UNDERGROUND METAL GROUP | FRASER MINE | OLIVER IRON MINING CO. | FRASER | MINNESOTA | 109,412 |
| 1948 | UNDERGROUND NONMETAL GROUP | IRONTON MINE | ALPHA PORTLAND CEMENT CO | IRONTON | OHIO | 135,919 |
| 1947 | BANK OR PIT GROUP | DIVIDING CREEK WET-PIT PLANT | SJ SAND CO. | DIVIDE CREEK | NEW JERSEY | 67,275 |
| 1947 | OPEN PIT GROUP | MAHONING MINE | PICKANDS MATHER & CO | HIBBING | MINNESOTA | 0 |
| 1947 | QUARRY GROUP | DOLONAH QUARRY | TENNESSEE COAL IRON & RR CO | BESSEMER | ALABAMA | 0 |
| 1947 | UNDERGROUND ANTHRACITE COAL GROUP | BUTLER MINE | JERMYN-GREEN COAL CO | PITTSTON | PENNSYLVANIA | 0 |
| 1947 | UNDERGROUND BITUMINOUS COAL GROUP | WINTON NO 1 & 7-1/2 MINE | UNION PACIFIC COAL CO | WINTON | WYOMING | 0 |
| 1947 | UNDERGROUND METAL GROUP | SOUDAN MINE | OLIVER IRON MINING CO | SOUDAN | MINNESOTA | 0 |
| 1947 | UNDERGROUND NONMETAL GROUP | NO. 5(LIMESTONE)MINE | TENN COAL IRON & RR CO | BESSEMER | ALABAMA | 0 |
| 1946 | BANK OR PIT GROUP | IRWINDALE PLANT | CONSOLIDATED ROCK PRODUCT CO | CLACKAMAS | OREGON | 137,189 |
| 1946 | BANK OR PIT GROUP | RAYMOND PLANT | AMERICAN AGGREGATES CORP | INDIANAPOLIS | INDIANA | 93,662 |
| 1946 | OPEN PIT GROUP | ROUCHLEAU MINE | OLIVER IRON MINING CO | VIRGINIA | MINNESOTA | 894,346 |
| 1946 | QUARRY GROUP | BRIDGEPORT QUARRY | BETHLEHAM STEEL CO | BRIDGEPORT | PENNSYLVANIA | 322,374 |
| 1946 | UNDERGROUND ANTHRACITE COAL GROUP | BUTLER MINE | JERMYN-GREEN COAL CO | PITTSTON | PENNSYLVANIA | 267,708 |
| 1946 | UNDERGROUND BITUMINOUS COAL GROUP | BANKHEAD NO. 2 MINE | CONSOLIDATED COAL CO | BANKHEAD | ALABAMA | 79,737 |
| 1946 | UNDERGROUND METAL GROUP | BURRA BURRA MINE | TENNESSEE COPPER CO | DUCKTOWN | TENNESSEE | 130,902 |
| 1946 | UNDERGROUND NONMETAL GROUP | ACME MINE | CERTAIN TEED PRODUCTS CORP | ACME | TEXAS | 292,000 |
| 1945 | BANK OR PIT GROUP | CHELSEA LAKE PLANT | CHELSEA COAL CO | MEMPHIS | TENNESSEE | 111,735 |
| 1945 | OPEN PIT GROUP | MAHONING MINE | PICKANDS MATHER & CO | HIBBING | MICHIGAN | 367,152 |
| 1945 | QUARRY GROUP | BRIDGEPORT QUARRY | BETHLEHEM STEEL CO | BRIDGEPORT | PENNSYLVANIA | 379,948 |
| 1945 | UNDERGROUND ANTHRACITE COAL GROUP | BUTLER MINE | JERYN-GREEN COAL CO | PITTSTON | PENNSYLVANIA | 232,950 |
| 1945 | UNDERGROUND BITUMINOUS COAL GROUP | ROCKHILL NO. 5 MINE | ROCKHILL COAL CO | ROBERTSDALE | PENNSYLVANIA | 0 |
| 1945 | UNDERGROUND METAL GROUP | JAMES MINE | JAMES MINING CO | IRON RIVER | MICHIGAN | 177,373 |
| 1945 | UNDERGROUND NONMETAL GROUP | FREEPORT CLAY MINE | FREEPORT BRICK CO | FREEPORT | PENNSYLVANIA | 71,760 |
| 1944 | BANK OR PIT GROUP | ORANGE NO.14 DRY-PIT PLANT | ORANGE CO | ORANGE | CALIFORNIA | 103,204 |
| 1944 | OPEN PIT GROUP | DANUBE MINE | PICKANDS MATHER & CO | BOVEY | MINNESOTA | 364,558 |
| 1944 | QUARRY GROUP | MAPLE GROVE QUARRY | BASIC REFRACTORIES INC | MAPLE GROVE | OHIO | 325,147 |
| 1944 | UNDERGROUND ANTHRACITE COAL GROUP | MILES SLOPE MINE | HUDSON COAL CO | DICKSON CITY | PENNSYLVANIA | 229,496 |
| 1944 | UNDERGROUND BITUMINOUS COAL GROUP | D MINE | UNION PACIFIC COAL CO | SUPERIOR | WYOMING | 81,650 |
| 1944 | UNDERGROUND METAL GROUP | NEWPORT MINE | YOUNGSTOWN MINES CORP | IRONWOOD | MICHIGAN | 599,262 |
| 1944 | UNDERGROUND NONMETAL GROUP | AKRON MINE | NATIONAL GYPSUM CO | AKRON | NEW YORK | 120,723 |
| 1943 | BANK OR PIT GROUP | CHELSEA LAKE PLANT | MISSOURI PORTLANT CEMENT CO | MEMPHIS | TENNESSEE | 145,962 |
| 1943 | OPEN PIT GROUP | DANUBE IRON ORE MINE | PICKANDS MATHER & CO | BOVEY | MINNESOTA | 435,099 |
| 1943 | QUARRY GROUP | ALPENA LIMESTONE QUARRY | WYANDOTTE CHEMICALS CORP | ALPENA | MICHIGAN | 408,784 |
| 1943 | UNDERGROUND ANTHRACITE COAL GROUP | OREGON SLOPE MINE | MORGAN COAL CO | PITTSTON | PENNSYLVANIA | 49,742 |
| 1943 | UNDERGROUND BITUMINOUS COAL GROUP | D SUPERIOR MINE | UNION PACIFIC COAL CO | SUPERIOR | WYOMING | 307,529 |
| 1943 | UNDERGROUND METAL GROUP | EAST-VULCAN MINE | PENN IRON MINING CO | VULCAN | MICHIGAN | 525,113 |
| 1943 | UNDERGROUND NONMETAL GROUP | NO 6 MINE | UNITED STATES GYPSUM CO | PLASTERCO | VIRGINIA | 223,574 |
| 1942 | BANK OR PIT GROUP | ALAMEDA PLANT | CONSOLIDATED ROCK PRODUCT CO | ALAMEDA | CALIFORNIA | 147,161 |
| 1942 | OPEN PIT GROUP | MAHONING MINE | MAHONING ORE & STEEL CO | HIBBING | MINNESOTA | 537,863 |
| 1942 | QUARRY GROUP | HANOVER QUARRY | BETHLEHEM STEEL CO | HANOVER | PENNSYLVANIA | 213,800 |
| 1942 | UNDERGROUND ANTHRACITE COAL GROUP | STOCKTON MINE | JEDDO-HIGHLAND COAL CO | STOCKTON | PENNSYLVANIA | 194,897 |
| 1942 | UNDERGROUND BITUMINOUS COAL GROUP | KNIFE RIVER MINE | KNIFE RIVER MINING CO | BEULAH | NORTH DAKOTA | 250,531 |
| 1942 | UNDERGROUND METAL GROUP | BOYD MINE | TENNESSEE COPPER CO | DUCKTOWN | TENNESSEE | 155,441 |
| 1942 | UNDERGROUND NONMETAL GROUP | IRONTON MINE | ALPHA PORTLAND CEMENT CO | IRONTON | OHIO | 113,841 |
| 1941 | BANK OR PIT GROUP | CHELSEA LAKE PLANT | MISSOURI PORTLAND CEMENT CO | M.SHELBY CNTY | TENNESSEE | 116,726 |
| 1941 | OPEN PIT GROUP | MAHONING MINE | PICKANDS MATHER & CO | HIBBING | MINNESOTA | 505,007 |
| 1941 | QUARRY GROUP | DOLONAH QUARRY | TENN COAL IRON & RR CO | BESSEMER | ALABAMA | 270,474 |
| 1941 | UNDERGROUND ANTHRACITE COAL GROUP | EDDIE & JOE MINE | EDDIE & JOE COAL CO | SIMPSON | PENNSYLVANIA | 82,638 |
| 1941 | UNDERGROUND BITUMINOUS COAL GROUP | ALLOY NO 2 MINE | ELECTRO METALLURGICAL CO | ALLOY | WEST VIRGINIA | 335,060 |
| 1941 | UNDERGROUND METAL GROUP | GRASSELLI MINE | AMERICAN ZINC CO | NEW MARKET | TENNESSEE | 216,044 |
| 1941 | UNDERGROUND NONMETAL GROUP | NO.6 MINE | UNITED STATES GYPSUM CO | PLASTERCO | VIRGINIA | 254,198 |
| 1940 | BANK OR PIT GROUP | WOLF RIVER & LAKE PLANT | MARQUETTE CEMENT MFG CO | SHELBY CNTY. | TENNESSEE | 112,177 |
| 1940 | OPEN PIT GROUP | MAHONING MINE | PICKANDS MATHER & CO | HIBBING | MINNESOTA | 508,433 |
| 1940 | QUARRY GROUP | DOLONAH QUARRY | TENN COAL IRON & RR CO | BESSEMER | ALABAMA | 264,720 |
| 1940 | UNDERGROUND ANTHRACITE COAL GROUP | MIDVALLEY MINE | HAZLE BROOK COAL CO | WILBERTON | PENNSYLVANIA | 305,547 |
| 1940 | UNDERGROUND BITUMINOUS COAL GROUP | ROCK SPRINGS NO 4 MINE | UNION PACIFIC COAL CO | ROCK SPRINGS | WYOMING | 360,955 |
| 1940 | UNDERGROUND METAL GROUP | HUMBOLDT MINE | PHELPS DODGE CORP | MORENCI | ARKANSAS | 192,024 |
| 1940 | UNDERGROUND NONMETAL GROUP | NO.5 MINE | TENN COAL IRON & RR CO | BESSEMER | ALABAMA | 248,412 |
| 1939 | BANK OR PIT GROUP | VAN SCIVER LAKE PLANT | WARNER CO | BUCKS CNTY. | PENNSYLVANIA | 142,982 |
| 1939 | OPEN PIT GROUP | SCRANTON IRON MINE | PICKANDS MATHER & CO | HIBBING | MINNESOTA | 259,823 |
| 1939 | QUARRY GROUP | PORT INLAND QUARRY | INLAND LIME & STONE CO | MANISTIQUEC | MICHIGAN | 458,892 |
| 1939 | UNDERGROUND ANTHRACITE COAL GROUP | EDDY CREEK MINE | HUDSON COAL CO. | OLYPHANT | PENNSYLVANIA | 626,456 |
| 1939 | UNDERGROUND BITUMINOUS COAL GROUP | WINTON NO.1 MINE | UNION PACIFIC COAL CO. | WINTON | WYOMING | 277,139 |
| 1939 | UNDERGROUND METAL GROUP | BATES IRON-ORE MINE | M.A. HANNA CO. | IRON RIVER | MICHIGAN | 187,256 |
| 1939 | UNDERGROUND NONMETAL GROUP | NO 5 LIMESTONE MINE | TENN COAL IRON & RR CO | BESSEMER | ALABAMA | 167,712 |
| 1938 | BANK OR PIT GROUP | CAPTAIN PLANT | RIVER-D. OP. MCCRADY ROGERS CO | BEAVER CNTY. | PENNSYLVANIA | 155,838 |
| 1938 | OPEN PIT GROUP | MAHONING IRON ORE MINE | PICKANDS MATHER & CO | HIBBING | MINNESOTA | 282,258 |
| 1938 | QUARRY GROUP | PORT INLAND LIMESTONE QUARRY | INLAND LIME & STONE CO. | MANISTIQUE | MICHIGAN | 299,751 |
| 1938 | UNDERGROUND ANTHRACITE COAL GROUP | GREENOUGH MINE | COLONIAL COLLIERY CO. | MATALIE | PENNSYLVANIA | 319,035 |
| 1938 | UNDERGROUND BITUMINOUS COAL GROUP | B MINE | UNION PACIFIC COAL CO. | SUPERIOR | WYOMING | 243,094 |
| 1938 | UNDERGROUND METAL GROUP | CARY IRON-ORE MINE | ODANAH IRON CO. | HURLEY | WISCONSIN | 168,703 |
| 1938 | UNDERGROUND NONMETAL GROUP | AVERY SALT MINE | AVERY SALT CO | AVERT ISLAND | LOUISIANA | 272,766 |
| 1937 | BANK OR PIT GROUP | WOLF RIVER PLANT | MEMPHIS | SHELBY CNTY. | TENNESSEE | 122,014 |
| 1937 | QUARRY GROUP | LIMESTONE QUARRY | IL STATE PENITENTIARY | MENARD | ILLINOIS | 772,160 |
| 1937 | UNDERGROUND ANTHRACITE COAL GROUP | JEDDO NO.7 MINE | JEDDO-HIGHLAND COAL CO. | HARLEIGH | PENNSYLVANIA | 210,599 |
| 1937 | UNDERGROUND BITUMINOUS COAL GROUP | D MINE | UNION PACIFIC COAL CO. | SUPERIOR | WYOMING | 301,051 |
| 1937 | UNDERGROUND METAL GROUP | HAWATHA NO.1 IRON-ORE MINE | M. A. HANNA CO. | IRON RIVER | MICHIGAN | 331,186 |
| 1937 | UNDERGROUND NONMETAL GROUP | NO.5 LIMESTONE MINE | TENN COAL IRON & RR CO | BESSEMER | ALABAMA | 173,096 |
| 1936 | BANK OR PIT GROUP | OXFORD-FULLER PLANT | ENTRY NO.SGA132 | OAKLAND CNTY. | MICHIGAN | 100,000 |
| 1936 | QUARRY GROUP | MESABI CHEEF IRON-ORE MINE | HANNA ORE MINING CO. | KEEWATIN | MINNESOTA | 308,188 |
| 1936 | UNDERGROUND ANTHRACITE COAL GROUP | RAVEN RUN MINE | HAZLE BROOK COAL CO. | RAVEN RUN | PENNSYLVANIA | 447,360 |
| 1936 | UNDERGROUND BITUMINOUS COAL GROUP | COXTON MINE | ELKHORN PINEY COAL MINING CO. | COXTON | KENTUCKY | 339,156 |
| 1936 | UNDERGROUND METAL GROUP | EAST VULCAN IRON-ORE MINE | PENN IRON MINING CO. | VULCAN | MICHIGAN | 425,374 |
| 1936 | UNDERGROUND NONMETAL GROUP | NO.5 LIMESTONE MINE | TENN COAL IRON & RR CO | BESSEMER | ALABAMA | 114,701 |
| 1935 | BANK OR PIT GROUP | VAN SCIVER PLANT | WARNER CO. | BUCKS CNTY. | PENNSYLVANIA | 124,767 |
| 1935 | QUARRY GROUP | GRANITE QUARRY | FOLSOM STATE PRISON | FOLSUM | CALIFORNIA | 717,168 |
| 1935 | UNDERGROUND ANTHRACITE COAL GROUP | JEDDO NO 7 MINE | JEDDO HIGHLAND COAL CO | HARLEIGH | PENNSYLVANIA | 184,992 |
| 1935 | UNDERGROUND BITUMINOUS COAL GROUP | INGRAM BRANCH MINE | ELKHORN PINEY MINING COAL CO | INGRAM BRANCH | WEST VIRGINIA | 235,211 |
| 1935 | UNDERGROUND METAL GROUP | ZENITH MINE | VERMILLION MINING CO | ELY | MINNESOTA | 196,201 |
| 1935 | UNDERGROUND NONMETAL GROUP | AKRON GYPSUM MINE | CERTAIN TEED PRODUCTS CORP | AKRON | NEW YORK | 79,144 |
| 1934 | BANK OR PIT GROUP | VAN SCIVER PLANT | WARNER CO | BUCKS CNTY | PENNSYLVANIA | 100,000 |
| 1934 | QUARRY GROUP | ROGERS CITY LIMESTONE QUARRY | MICHIGAN LIMESTONE & CHEM CO | ROGERS CITY | MICHIGAN | 127,503 |
| 1934 | UNDERGROUND ANTHRACITE COAL GROUP | LAWRENCE MINE | HARLEIGH BROOKWOOD COAL CO | MAHANOY PLANE | PENNSYLVANIA | 727,979 |
| 1934 | UNDERGROUND BITUMINOUS COAL GROUP | C MINE | UNION PACIFIC COAL CO | SUPERIOR | WYOMING | 225,426 |
| 1934 | UNDERGROUND METAL GROUP | EAST VULCAN MINE | PENN IRON MINING CO | VULCAN | MICHIGAN | 288,828 |
| 1934 | UNDERGROUND NONMETAL GROUP | LASALLE MINE | MARQUETTE CEMENT MFG CO | OGLESBY | ILLINOIS | 105,376 |
| 1933 | BANK OR PIT GROUP | OXFORD PLANT | AMERICAN AGGREGATES CORP | OAKLAND CNTY | MICHIGAN | 100,000 |
| 1933 | QUARRY GROUP | ROGERS CITY LIMESTONE QUARRY | MIGHIGAN LIMESTONE & CHEM CO | ROGERS CITY | MICHIGAN | 595,416 |
| 1933 | UNDERGROUND ANTHRACITE COAL GROUP | STILLWATER MINE | HUDSON COAL CO | VANDLING | PENNSYLVANIA | 373,304 |
| 1933 | UNDERGROUND BITUMINOUS COAL GROUP | B MINE | UNION PACIFIC COAL CO | SUPERIOR | WYOMING | 187,888 |
| 1933 | UNDERGROUND METAL GROUP | BURRA BURRA MINE | TENNEESSEE COPPER CO | DUCKTOWN | TENNESSEE | 303,075 |
| 1933 | UNDERGROUND NONMETAL GROUP | RETSOF ROCK SALT MINE | RETSOF MINING CO | RETSOF | NEW YORK | 265,120 |
| 1932 | BANK OR PIT GROUP | NA | NA | NA | NA | 0 |
| 1932 | QUARRY GROUP | ROGERS CITY QUARRY | MICHIGAN LIMESTONE & CHEM CO | ROGERS CITY | MICHIGAN | 487,046 |
| 1932 | UNDERGROUND ANTHRACITE COAL GROUP | NO 7 MINE | JEDDO-HIGHLAND COAL CO | JEDDO | PENNSYLVANIA | 165,624 |
| 1932 | UNDERGROUND BITUMINOUS COAL GROUP | ALLOY MINE | ELECTRO METALLURGICAL CO | ALLOY | WEST VIRGINIA | 225,687 |
| 1932 | UNDERGROUND METAL GROUP | BALMAT MINE | ST JOSEPH LEAD CO | BALMAT | NEW YORK | 162,912 |
| 1932 | UNDERGROUND NONMETAL GROUP | RETSOF MINE | RETSOF MINING CO | RETSOF | NEW YORK | 270,408 |
| 1931 | BANK OR PIT GROUP | VANSCIVER PLANT | WARNER CO | MORRISVILLE | PENNSYLVANIA | 155,803 |
| 1931 | QUARRY GROUP | MAHONING IRON-ORE MINE | MAHONING ORE & STEEL CO | HIBBING | MINNESOTA | 339,722 |
| 1931 | UNDERGROUND ANTHRACITE COAL GROUP | HIGHLAND NO 2 MINE | JEDDO-HIGHLAND COAL CO | JEDDO | PENNSYLVANIA | 299,560 |
| 1931 | UNDERGROUND BITUMINOUS COAL GROUP | DAWSON NO 1 | PHELPS DODGE CORP | DAWSON | NEW MEXICO | 117,661 |
| 1931 | UNDERGROUND METAL GROUP | HAROLD MINE | HANNA ORE MINING CO | CARSON LAKE | MINNESOTA | 196,316 |
| 1931 | UNDERGROUND NONMETAL GROUP | RETSOF ROCK-SALT MINE | RETSOF MINING CO | RETSOF | NEW YORK | 354,172 |
| 1930 | BANK OR PIT GROUP | MISSOURI RIVER PLANT | STEWART SAND & MATERIAL CO | KANSAS CITY | MISSOURI | 108,753 |
| 1930 | QUARRY GROUP | PLYMOUTH IRON MINE | PLYMOUTH MINING CO | WAKEFIELD | MICHIGAN | 382,541 |
| 1930 | UNDERGROUND ANTHRACITE COAL GROUP | TOMHICKEN MINE | COXE BROTHERS & CO INC | JEDDO | PENNSYLVANIA | 458,208 |
| 1930 | UNDERGROUND BITUMINOUS COAL GROUP | NO 1 MINE | PENN CENTRAL LIGHT & POWER CO | COALMONT | PENNSYLVANIA | 211,760 |
| 1930 | UNDERGROUND METAL GROUP | WEST VULCAN IRON MINE | PENN IRON MINING CO | VULCAN | MICHIGAN | 318,402 |
| 1930 | UNDERGROUND NONMETAL GROUP | LOWER GYPSUM MINE | UNITED STATES GYPSUM CO | GYPSUM | OHIO | 108,090 |
| 1929 | BANK OR PIT GROUP | SAND & GRAVEL PLANT NO 1 | AMERICAN AGGREGATE CORP | COLUMBUS | OHIO | 0 |
| 1929 | QUARRY GROUP | ROGERS CITY LIMESTONE QUARRY | MICHIGAN LIMESTONE & CHEM CO | ROGERS CITY | MICHIGAN | 753,156 |
| 1929 | UNDERGROUND ANTHRACITE COAL GROUP | HIGHLAND NO 6 MINE | JEDDO-HIGHLAND COAL CO | JEDDO | PENNSYLVANIA | 142,128 |
| 1929 | UNDERGROUND BITUMINOUS COAL GROUP | HULL NO 33 MINE | DEBARDELEBEN COAL CORP | DORA | ALABAMA | 264,656 |
| 1929 | UNDERGROUND METAL GROUP | BERKSHIRE IRON-ORE MINE | BRULE MINING CO | STAMBAUGH | MICHIGAN | 345,696 |
| 1929 | UNDERGROUND NONMETAL GROUP | RETSOF ROCK-SALT MINE | RETSOF MINING CO | RETSOF | NEW YORK | 257,927 |
| 1928 | QUARRY GROUP | WAKEFIELD IRON MINE | WAKEFIELD IRON CO | WAKEFIELD | MICHIGAN | 283,680 |
| 1928 | UNDERGROUND ANTHRACITE COAL GROUP | NO 7 MINE | JEDDO-HIGHLAND COAL CO | JEDDO | PENNSYLVANIA | 359,424 |
| 1928 | UNDERGROUND BITUMINOUS COAL GROUP | NO 4 MINE | UNITED STATES COAL & COKE CO | GARY | WEST VIRGINIA | 418,469 |
| 1928 | UNDERGROUND METAL GROUP | BERKSHIRE IRON ORE MINE | BRULE MINING CO | STAMBAUGH | MICHIGAN | 403,487 |
| 1928 | UNDERGROUND NONMETAL GROUP | LIMESTONE MINE | ALPHA PORTLAND CEMENT CO | IRONTON | OHIO | 115,020 |
| 1927 | QUARRY GROUP | MITCHELL LIMESTONE QUARRY | LEHIGH PORTLAND CEMENT CO | MITCHELL | INDIANA | 308,886 |
| 1927 | UNDERGROUND ANTHRACITE COAL GROUP | HIGHLAND NO 6 MINE | JEDDO HIGHLAND COAL CO | JEDDO | PENNSYLVANIA | 134,680 |
| 1927 | UNDERGROUND BITUMINOUS COAL GROUP | NO 2 MINE | UNITED STATES COAL & COKE CO | GARY | WEST VIRGINIA | 688,937 |
| 1927 | UNDERGROUND METAL GROUP | BRISTOL IRON-ORE MINE | BRISTOL MINING CO | CRYSTAL FALLS | MICHIGAN | 434,916 |
| 1927 | UNDERGROUND NONMETAL GROUP | MARQUETTE LIMESTONE MINE | MARQUETTE CEMENT MFG CO | LASALLE | ILLINOIS | 205,601 |
| 1926 | QUARRY GROUP | NO 5 & 6 LIMESTONE QUARRIES | NORTH AMERICAN CEMENT CORP | MARTINSBURG | WEST VIRGINIA | 0 |
| 1926 | UNDERGROUND ANTHRACITE COAL GROUP | HIGHLAND NO 6 MINE | JEDDO-HIGHLAND COAL CO | JEDDO | PENNSYLVANIA | 1 |
| 1926 | UNDERGROUND BITUMINOUS COAL GROUP | NO 6 COAL MINE | U S COAL & COKE CO | GARY | WEST VIRGINIA | 1 |
| 1926 | UNDERGROUND METAL GROUP | MUNCIE ZINC & LEAD MINE | FEDERAL MINING & SMELTING CO | BAXTER SPRGS | KANSAS | 206,489 |
| 1926 | UNDERGROUND NONMETAL GROUP | GRAND RAPIDS GYPSUM MINE | BEAVER PRODUCTS CO INC | GRAND RAPIDS | MICHIGAN | 0 |
| 1925 | QUARRY GROUP | SECURITY QUARRY | NORTH AMERICAN CEMENT CORP | SECURITY | MARYLAND | 0 |
| 1925 | UNDERGROUND ANTHRACITE COAL GROUP | UPPER LEHIGH MINE | HAZLE BROOK COAL CO | UPPER LEHIGH | PENNSYLVANIA | 1 |
| 1925 | UNDERGROUND BITUMINOUS COAL GROUP | NO 6 MINE | UNITED STATES COAL & COKE CO | GARY | WEST VIRGINIA | 1 |
| 1925 | UNDERGROUND METAL GROUP | NEW YORK ZINC & LEAD MINE | NEW YORK MINING CO | PICHER | OKLAHOMA | 1 |
| 1925 | UNDERGROUND NONMETAL GROUP | LOWER GYPSUM MINE | UNITED STATES GYPSUM CO | GYPSUM | OHIO | 1 |