Historic Sentinels of Safety Winners

Here are the past Sentinels of Safety Winners:

YEAR CATEGORY MINE NAME COMPANY NAME TOWN STATE HOURS
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
1952 OPEN PIT GROUP NORALYN MINE INTERNATIONAL MIN & CHEM CO BARTOW FLORIDA 715,588
1952 BANK OR PIT GROUP DREDGE FRANKLIN PLANT WARNER CO. TULLYTOWN PENNSYLVANIA 110,279
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
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
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
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
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
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
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
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
1960 UNDERGROUND METAL GROUP JEFF. CITY MINES U.S. STEEL CORP. JEFFER. CITY TENNESSEE 318,725
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 NONMETAL GROUP JONATHAN MINE COLUMBIA CEMENT CORP ZANESVILLE OHIO 698,930
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
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
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
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
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
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
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
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
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
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
1971 UNDERGROUND NONMETAL GROUP BIG ISLAND MINE STAUFFER CHEMICAL CO OF WY GREEN RIVER WYOMING 193,287
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
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
1973 OPEN PIT GROUP FT MEADE MINE MOBIL CHEMICAL CO NA FLORIDA 465,986
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 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
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
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
1976 OPEN PIT GROUP FORT MEADE MINE MOBIL CHEMICAL CO FORT MEADE FLORIDA 392,244
1976 SURFACE COAL GROUP LEAHY AMAX COAL COMPANY CAMPBELL HILL ILLINOIS 441,832
1976 QUARRY GROUP CALCITE PLANT U S STEEL CORP ROGERS CITY MICHIGAN 272,106
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
1976 UNDERGROUND COAL GROUP ROSE VALLEY NO.6 UNDERGROUND CONSOLIDATION COAL COMPANY HOPEDALE OHIO 535,891
1976 DREDGE GROUP SENSIBAR DREDGE CAC CORPORATION NA TENNESSEE 214,861
1976 BANK OR PIT GROUP EAGLE LAKE PIT PARKER BROS CO INC NA TEXAS 167,315
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 UNDERGROUND NONMETAL GROUP SHOALS MINE UNITED STATES GYPSUM CO SHOALS INDIANA 66,389
1977 BANK OR PIT GROUP EVANSVILLE PLANT EVANSVILLE MATERIALS CO NA INDIANA 155,604
1977 SURFACE COAL GROUP NUMBER 1 STRIP MOUNTAIN DRIVE COAL COMPANY MIDDLESBORO KENTUCKY 581,188
1977 DREDGE GROUP MAURICETOWN DREDGE JESSE S MORIE & SON INC NA NEW JERSEY 158,378
1977 UNDERGROUND METAL GROUP SECTION 30 MINE KERR MCGEE NUCLEAR CORPORATION NA NEW MEXICO 318,191
1977 UNDERGROUND COAL GROUP ROWLAND #3 UNDERGROUND CONSOLIDATION COAL COMPANY BECKLEY WEST VIRGINIA 305,220
1978 DREDGE GROUP ORTONA MINE ORTONA SAND CO INC LAKE WALES FLORIDA 0
1978 SURFACE COAL GROUP DUGGER STRIP MINE PEABODY DUGGER INDIANA 296,991
1978 UNDERGROUND NONMETAL GROUP SPERRY MINE UNITED STATES GYPSUM CO SPERRY IOWA 137,568
1978 UNDERGROUND METAL GROUP MAGMONT UNDERGROUND MINE COMINCO AMERICAN INCORPORATED BIXBY MISSOURI 384,712
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 BANK OR PIT GROUP LILESVILLE MINE W R BONSAL CO LILESVILLE NORTH CAROLINA 174,857
1978 UNDERGROUND COAL GROUP MINE NUMBER 108 UG. BETHLEHEM MINES CORPORATION HODGESVILLE WEST VIRGINIA 268,802
1979 OPEN PIT GROUP ROCKLAND MINE USS AGRI CHEMICAL FORT MEADE FLORIDA 505,479
1979 SURFACE COAL GROUP SUN SPOT STRIP MINE AMAX COAL CO VERMONT ILLINOIS 478,898
1979 UNDERGROUND NONMETAL GROUP SPERRY MINE UNITED STATES GYPSUM CO SPERRY IOWA 112,769
1979 BANK OR PIT GROUP WHITE MARSH PLANT FLINTKOTE STONE PRODUCTS CO HUNT VALLEY MARYLAND 178,255
1979 QUARRY GROUP CEDARVILLE PLANT UNITED STATES STEEL CORP ROGERS CITY MICHIGAN 173,251
1979 UNDERGROUND METAL GROUP BRUSHY CREEK MINE ST JOE LEAD CO VIBURNUM MISSOURI 250,345
1979 DREDGE GROUP DOLEN DRIED SAND-64 LONE STAR INDUSTRIES INC HOUSTON TEXAS 153,941
1979 UNDERGROUND COAL GROUP #108 UNDERGROUND BETHLEHEM MINES CORP HODGESVILLE WEST VIRGINIA 336,960
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
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
1981 OPEN PIT GROUP SUWANNEE RIVER MINE OCCIDENTAL CHEMICAL CO WHITE SPRINGS FLORIDA 498,869
1981 DREDGE GROUP STANDARD MINE STANDARD SAND AND SILICA CO DAVENPORT FLORIDA 133,683
1981 BANK OR PIT GROUP WHITE MARSH PLANT GENSTAR STONE PRODUCTS CO BALTIMORE MARYLAND 162,703
1981 UNDERGROUND METAL GROUP BRUSHY CREEK MINE ST JOE MINERALS CORPORATION VIBURNUM MISSOURI 186,776
1981 QUARRY GROUP KINGSTON QUARRY TRAPROCK INDUSTRIES INC KINGSTON NEW JERSEY 396,810
1981 UNDERGROUND NONMETAL GROUP NASH DRAW MINE DUVAL CORP CARLSBAD NEW MEXICO 191,905
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
1982 OPEN PIT GROUP LONESOME MINE BREWSTER PHOSPHATES BRADLEY FLORIDA 403,201
1982 UNDERGROUND NONMETAL GROUP SHOALS MINE UNITED STATES GYPSUM CO SHOALS INDIANA 148,156
1982 UNDERGROUND METAL GROUP MAGMONT MINE COMINCO AMERICAN INC BIXBY MISSOURI 285,846
1982 UNDERGROUND COAL GROUP JENKINJONES NUMBER FOUR MINE CONSOLIDATION COAL COMPANY JENKINJONES WEST VIRGINIA 304,447
1982 SURFACE COAL GROUP RAWHIDE MINE THE CARTER MINING COMPANY GILLETTE WYOMING 348,232
1982 BANK OR PIT GROUP SAME NA NA NA 0
1982 DREDGE GROUP SAME NA NA NA 0
1982 QUARRY GROUP NO INSP.AND NO RECORDS NA NA NA 0
1983 UNDERGROUND NONMETAL GROUP PARACHUTE CREEK MINE UNION OIL COMPANY OF CA PARACHUTE COLORADO 268,822
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 BANK OR PIT GROUP WHITE MARSH PLANT GENSTAR STONE PRODUCTS CO BALTIMORE MARYLAND 152,896
1983 UNDERGROUND METAL GROUP BUICK MINE AMAX LEAD COMPANY OF MO BOSS MISSOURI 719,952
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 DREDGE GROUP DREDGE AND PLANT 34 LONE STAR INDUSTRIES INC EAGLE LAKE TEXAS 83,630
1984 BANK OR PIT GROUP MAIN PLANT (PIT NO 1) CALMAT CO OF AZ PHOENIX ARIZONA 157,389
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 UNDERGROUND NONMETAL GROUP SHOALS MINE UNITED STATES GYPSUM CO SHOALS INDIANA 171,195
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 QUARRY GROUP MIDLOTHIAN QUARRY TEXAS INDUSTRIES INC MIDLOTHIAN TEXAS 180,502
1984 DREDGE GROUP BLUE ROAN BEND DREDGE & PLANT PIONEER CONCRETE OF TEXAS EAGLE LAKE TEXAS 174,769
1984 SURFACE COAL GROUP CORDERO MINE CORDERO MINING COMPANY GILLETTE WYOMING 466,469
1985 UNDERGROUND METAL GROUP COPPER QUEEN BRANCH PHELPS DODGE CORPORATION BISBEE ARIZONA 114,688
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 NONMETAL GROUP SHOALS MINE UNITED STATES GYPSUM CO SHOALS INDIANA 175,280
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 UNDERGROUND COAL GROUP TROPHY TAKEN BACK (INJURY) ****************************** NA NA 0
1986 BANK OR PIT GROUP CALMAT PLT NO 1 MAIN PLANT CALMAT COMPANY OF ARIZONA PHOENIX ARIZONA 184,765
1986 QUARRY GROUP BROOKSVILLE GAY QUARRY FLORIDA CRUSHED STONE CO BROOKSVILLE FLORIDA 370,353
1986 OPEN PIT GROUP ROCKLAND MINE US AGRI CHEM DIVISION OF USSC FT.MEADE FLORIDA 310,665
1986 DREDGE GROUP ORTONA MINE AND PLANT E R JAHNA INDUSTRIES INC ORTONA FLORIDA 91,874
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 SURFACE COAL GROUP FREEDOM MINE THE COTEAU PROPERTIES COMPANY BISMARCK NORTH DAKOTA 507,450
1986 UNDERGROUND NONMETAL GROUP BIG ISLAND MINE STAUFFER CHEMICAL CO OF WY GREEN RIVER WYOMING 345,456
1987 UNDERGROUND METAL GROUP PIGEON MINE ENERGY FUELS NUCLEAR INC FREDONIA ARIZONA 81,248
1987 QUARRY GROUP FORT MYERS QUARRY FLORIDA ROCK INDUSTRIES INC FT.MYERS FLORIDA 138,996
1987 OPEN PIT GROUP THOMPSON CREEK MINE CYPRUS THOMPSON CREEK MININ CO CLAYTON IDAHO 317,990
1987 UNDERGROUND NONMETAL GROUP SHOALS MINE UNITED STATES GYPSUM CO SHOALS INDIANA 178,474
1987 UNDERGROUND COAL GROUP NO.32 MINE ARCH OF KENTUCKY, INC. LYNCH KENTUCKY 120,757
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 SURFACE COAL GROUP BELLE AYR MINE AMAX COAL CO GILLETTE WYOMING 615,217
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 UNDERGROUND NONMETAL GROUP NEW YORK MINE GEORGIA MARBLE CO TATE GEORGIA 70,302
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 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 SURFACE COAL GROUP CORDERO MINE CORDERO MINING CO GILLETTE WYOMING 349,659
1989 BANK OR PIT GROUP MAYHEW PLANT C L PHARRIS SAND & GRAVEL RIVERSIDE CALIFORNIA 144,086
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 UNDERGROUND NONMETAL GROUP SHOALS MINE UNITED STATES GYPSUM CO SHOALS INDIANA 181,706
1989 UNDERGROUND METAL GROUP BUICK MINE THE DOE RUN COMPANY VIBURNUM MISSOURI 191,336
1989 DREDGE GROUP ROSS ISLAND PLANT ROSS ISLAND SAND & GRAVEL PORTLAND OREGON 97,511
1989 UNDERGROUND COAL GROUP YOUNGS BRANCH MINE NO.15 DOMINION COAL CORP VANSANT VIRGINIA 169,488
1989 SURFACE COAL GROUP BELLE AYR MINE AMAX COAL CO GILLETTE WYOMING 385,321
1990 QUARRY GROUP BROOKSVILLE GREGG MINE FLORIDA CRUSHED STONE CO BROOKSVILLE FLORIDA 323,284
1990 OPEN PIT GROUP DU PONT FLORIDA MINE & PLANT E I DU PONT DE NEMOURS & CO STARKE FLORIDA 388,267
1990 BANK OR PIT GROUP WHITE MARGH S & G PLANT GENSTAR STONE PRODUCTS CO WHITE MARSH MARYLAND 170,404
1990 UNDERGROUND METAL GROUP FLETCHER MINE & MILL THE DOE RUN COMPANY VIBURNUM MISSOURI 110,704
1990 DREDGE GROUP MILLVILLE PLANT U S SILICA CO MILLVILLE NEW JERSEY 96,129
1990 UNDERGROUND NONMETAL GROUP CARLSBAD OPERATIONS MISSISSIPPI CHEMICAL CORP CARLSBAD NEW MEXICO 281,373
1990 UNDERGROUND COAL GROUP NO.5 MINE WAR EAGLE CONSTRUCTION CO INC MALLORY WEST VIRGINIA 114,766
1990 SURFACE COAL GROUP CORDERO MINE CORDERO MINING CO GILLETTE WYOMING 393,610
1991 OPEN PIT GROUP MAGMA OPEN PIT MAGMA COPPER CO SAN MANUEL ARIZONA 484,885
1991 SURFACE COAL GROUP COLOWYO MINE COLOWYO COAL CO MEEKER COLORADO 735,755
1991 QUARRY GROUP THREE RIVERS QUARRY DRAVO BASIC MATERIALS CO INC SMITHLAND KENTUCKY 173,164
1991 DREDGE GROUP MILLVILLE PLANT LES SILICA CO BERKLEY SPRG NEW JERSEY 85,755
1991 UNDERGROUND NONMETAL GROUP NASH DRAW MINE WESTERN AG MINERALS CO CARLSBAD NEW MEXICO 193,711
1991 BANK OR PIT GROUP LILESVILLE MINE W R BONSAL CO LILESVILLE NORTH CAROLINA 144,319
1991 UNDERGROUND METAL GROUP JEFFERSON CITY ZINC MINE JEFFERSON CITY ZINC JEFFER. CITY TENNESSEE 188,858
1991 UNDERGROUND COAL GROUP NO.2 MINE JADE ENERGY INC TOLER KENTUCKY 126,943
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 UNDERGROUND NONMETAL GROUP COTE BLANCHE MINE CAREY SALT CO LYDIA LOUISIANA 218,853
1992 SURFACE COAL GROUP SAN JUAN MINE AND PLANT SAN JUAN COAL CO WATERFLOW NEW MEXICO 617,296
1992 BANK OR PIT GROUP LILESVILLE MINE W R BONSAL CO LILESVILLE NORTH CAROLINA 143,695
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 DREDGE GROUP BLUE ROAN BEND 02 01 PIONEER CONCRETE OF TEXAS GARWOOD TEXAS 101,494
1993 OPEN PIT GROUP CYPRUS SIERRITA MINE CYPRUS CLIMAX METAL CO GREEN VALLEY ARIZONA 741,966
1993 SURFACE COAL GROUP TRAPPER MINE TRAPPER MINING INC CRAIG COLORADO 337,125
1993 QUARRY GROUP F E C QUARRY RINKER MATERIALS CORP HIALEAH FLORIDA 210,872
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
1993 DREDGE GROUP BRIDGEBURG DREDGE & MILL GLACIAL SAND & GRAVEL CO KITTANNING PENNSYLVANIA 82,217
1993 BANK OR PIT GROUP ARENA PLANT PIONEER CONCRETE OF TEXAS INC ALTAIR TEXAS 130,401
1993 UNDERGROUND COAL GROUP MINE NO 4A NO 2 PORTAL D & K COAL CO BIRCH RIVER WEST VIRGINIA 132,254
1994 QUARRY GROUP BROOKSVILLE GREGG MINE FLORIDA CRUSHED STONE CO BROOKSVILLE FLORIDA 198,050
1994 UNDERGROUND METAL GROUP BUICK MINE AND MILL THE DOE RUN COMPANY VIBURNUM MISSOURI 129,042
1994 BANK OR PIT GROUP BONANZA MATERIALS PIT AND MILL BONANZA MATERIALS INC HENDERSON NEVADA 149,889
1994 OPEN PIT GROUP TYRONE MINE PHELPS DODGE MINING CO TYRONE NEW MEXICO 644,698
1994 UNDERGROUND NONMETAL GROUP MISSISSIPPI POTASH INC CARLSBAD OPERATIONS CARLSBAD NEW MEXICO 308,760
1994 UNDERGROUND COAL GROUP NELMS MINE CADIZ PORTAL HARRISON MINING CORP CADIZ OHIO 244,656
1994 DREDGE GROUP LOWER BURRELL PLANT DAVISON SAND & GRAVEL CO NEWKENSINGTON PENNSYLVANIA 72,221
1994 SURFACE COAL GROUP SANDOW MINE ALUMINUM CO OF AMERICA ROCKDALE TEXAS 492,709
1995 SURFACE COAL GROUP COLOWYO MINE COLOWYO COAL COMPANY LP MEEKER COLORADO 625,822
1995 QUARRY GROUP PENNSUCO QUARRY TARMAC FLORIDA INC MEDLEY FLORIDA 294,196
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 OPEN PIT GROUP TYRONE MINE PHELPS DODGE MINING CO TYRONE NEW MEXICO 809,532
1995 DREDGE GROUP BLUE ROAN BEND 02 01 PIONEER CONCRETE OF TEXAS INC GARWOOD TEXAS 103,876
1995 BANK OR PIT GROUP PIT AND PLANT NO 4 CAPITOL AGGREGATES LTD AUSTIN TEXAS 108,301
1995 UNDERGROUND NONMETAL GROUP BIG ISLAND MINE & REFINERY OCI WYOMING LP GREEN RIVER WYOMING 327,660
1996 QUARRY GROUP THREE RIVERS PLANT & QUARRY MARTIN MARIETTA AGGREGATES SMITHLAND KENTUCKY 157,624
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 OPEN PIT GROUP MCCOY COVE MINE ECHO BAY MINERALS CO BATTLE MTN NEVADA 807,070
1996 BANK OR PIT GROUP LILESVILLE MINE W R BONSAL CO LILESVILLE NORTH CAROLINA 155,830
1996 UNDERGROUND NONMETAL GROUP FAIRPORT MINE MORTON SALT MORTON INT GRAND RIVER OHIO 291,751
1996 DREDGE GROUP BRIDGEBURG DREDGE & MILL GLACIAL SAND & GRAVEL CO KITTANNING PENNSYLVANIA 70,965
1996 SURFACE COAL GROUP JACOBS RANCH MINE KERR MCGEE COAL CORP GILLETTE WYOMING 768,297
1997 OPEN PIT GROUP CYPRUS SIERRITA MINE CYPRUS AMAX MINERALS CO GREEN VALLEY ARIZONA 556,736
1997 SURFACE COAL GROUP COLOWYO MINE COLOWYO COAL CO LP MEEKER COLORADO 666,850
1997 QUARRY GROUP PENNSUCO QUARRY TARMAC AMERICA INC MEDLEY FLORIDA 232,232
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 UNDERGROUND COAL GROUP ROARING FORK NO 2 MINE CLINCHFIELD COAL CO DANTE VIRGINIA 154,337
1997 UNDERGROUND NONMETAL GROUP BIG ISLAND MINE & REFINERY OCI WYOMING LP GREEN RIVER WYOMING 326,090
1997 UNDERGROUND METAL GROUP GREENS CREEK MINE KENNECOTT GREENS CREEK MINING JUNEAU ALASKA 434,236
1998 QUARRY GROUP FEC QUARRY RINKER MATERIALS CORP MIAMI FLORIDA 194,973
1998 UNDERGROUND METAL GROUP FLETCHER MINE & MILL THE DOE RUN COMPANY VIBURNUM MISSOURI 178,844
1998 OPEN PIT GROUP TYRONE MINE & MILL PHELPS DODGE TYRONE INC TYRONE NEW MEXICO 937,318
1998 UNDERGROUND NONMETAL GROUP MISSISSIPPI POTASH INC MISSISSIPPI POTASH INC CARLSBAD NEW MEXICO 228,811
1998 DREDGE GROUP BRIDGEBURG DREDGE & MILL GLACIAL SAND & GRAVEL CO KITTANNING PENNSYLVANIA 78,382
1998 BANK OR PIT GROUP PUDDLEDOCK SAND & GRAVEL TARMAC AMERICA INC PETERSBURG VIRGINIA 98,399
1998 UNDERGROUND COAL GROUP KINGSTON NO 1 KINGSTON MINING INC SCARBRO WEST VIRGINIA 138,038
1998 SURFACE COAL GROUP CORDERO MINE CORDERO MINING CO GILLETTE WYOMING 716,243
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 UNDERGROUND METAL GROUP SWEETWATER MINE/MILL THE DOE RUN COMPANY REYNOLDS MISSOURI 277,254
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 UNDERGROUND NONMETAL GROUP LOCUST COVE MINE UNITED STATES GYPSUM CO SALTVILLE VIRGINIA 129,515
1999 UNDERGROUND COAL GROUP KINGSTON NO 1 MINE KINGSTON MINING INC SCARBRO WEST VIRGINIA 197,464
1999 SURFACE COAL GROUP CORDERO MINE CORDERO MINING CO GILLETTE WYOMING 814,451
2000 QUARRY GROUP THORNTON QUARRY MATERIAL SERVICE CORP THORNTON ILLINOIS 208,816
2000 UNDERGROUND NONMETAL GROUP COTE BLANCHE MINE IMC SALT INC FRANKLIN LOUISIANA 284,932
2000 OPEN PIT GROUP ROCHESTER MINE COEUR ROCHESTER INC LOVELOCK NEVADA 254,296
2000 UNDERGROUND METAL GROUP SSX ANGLOGOLD JERRITT CANYON CORP ELKO NEVADA 174,766
2000 DREDGE GROUP BRIGGS PLANT FORDYCE LTD VICTORIA TEXAS 241,195
2000 BANK OR PIT GROUP ARENA PLANT HANSON AGGREGATES SO CENTRAL ALTAIR TEXAS 133,766
2000 UNDERGROUND COAL GROUP DEEP MINE 21 PARAMONT COAL CORP DANTE VIRGINIA 151,753
2000 SURFACE COAL GROUP ANTELOPE COAL MINE ANTELOPE COAL CO GILLETTE WYOMING 394,735
2001 QUARRY GROUP IMERYS GANTTS QUARRY IMERYS CARBONATES LLC SYLACAUGA ALABAMA 212,051
2001 OPEN PIT GROUP PHELPS DODGE SIERRITA INC PHELPS DODGE MINING CO GREEN VALLEY ARIZONA 454,936
2001 UNDERGROUND NONMETAL GROUP WEEPING WATER QUARRY MARTIN MARIETTA AGGREGATES WEEPING WATER NEBRASKA 130,287
2001 UNDERGROUND METAL GROUP YOUNG MINE ASARCO INC STRAWBERRY PLAINS TENNESSEE 223,890
2001 DREDGE GROUP BRIGGS PLANT FORDYCE LTD VICTORIA TEXAS 228,816
2001 BANK OR PIT GROUP ARENA PLANT HANSON AGGREGATES SO CENTRAL ALTAIR TEXAS 132,565
2001 UNDERGROUND COAL GROUP DEEP MINE #30 PARAMONT COAL CORP DANTE VIRGINIA 175,582
2001 SURFACE COAL GROUP BLACK THUNDER MINE THUNDER BASIN COAL COMPANY LLC WRIGHT WYOMING 1,247,939
2002 BANK OR PIT GROUP RINKER MATERIALS 19TH AVE. OPERATION RINKER MATERIALS WESTERN INC. PHOENIX ARIZONA 109,481
2002 QUARRY GROUP 5 R CONSTRUCTORS 5 R CONSTRUCTORS, LLC ATLANTA GEORGIA 184,180
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
2002 OPEN PIT GROUP AURORA DIVISION MINING AREA PCS PHOSPHATE CO., INC. AURORA NORTH CAROLINA 484,989
2002 DREDGE GROUP PORTER PLANT & PIT HALLETT CONSTRUCTION/HALLET MATL PORTER TEXAS 90,595
2002 SURFACE COAL GROUP EAGLE BUTTE MINE RAG COAL WEST, INC. GILLETTE WYOMING 472,386
2003 OPEN PIT GROUP SWIFT CREEK MINE PCS PHOSPHATE – WHITE SPRINGS WHITE SPRINGS FLORIDA 346,053
2003 DREDGE GROUP DAVENPORT SAND MINE RINKER MATERIALS OF FLORIDA INC MIAMI FLORIDA 76,995
2003 QUARRY GROUP 5 R CONSTRUCTORS 5 R CONSTRUCTORS LLC ATLANTA GEORGIA 338,318
2003 UNDERGROUND COAL GROUP BEAVER GAP E-3 CONSOL ENERGY INC. DEANE KENTUCKY 151,910
2003 BANK OR PIT GROUP SCHOOLHOUSE MINE OPERATIONS UNIMIN CORPORATION SPRUCE PINE NORTH CAROLINA 155,270
2003 UNDERGROUND NONMETAL GROUP MORTON SALT FAIRPORT MINE MORTON SALT, A ROHM AND HASS COMPANY GRAND RIVER OHIO 254,717
2003 SURFACE COAL GROUP NORTH ANTELOPE ROCHELLE MINE POWDER RIVER COAL COMPANY WRIGHT WYOMING 1,597,305
2003 UNDERGROUND METAL GROUP GREENS CREEK MINE KENNECOTT GREENS CREEK MINING COMPANY JUNEAU ALASKA 468,351
2004 SMALL OPEN PIT GROUP OWENS PIT PERKINS CINDERS, INC SHOW LOW ARIZONA 14,415
2004 LARGE BANK OR PIT GROUP SUN VALLEY PLANT VULCAN MATERIALS SUN VALLEY CALIFORNIA 125,080
2004 LARGE METAL NONMETAL MILL GROUP SANDERSVILLE MILL J. M. HUBER CORPORATION SANDERSVILLE GEORGIA 310,903
2004 SMALL UNDERGROUND NONMETAL GROUP NALLY & GIBSON UNDERGROUND NALLY & GIBSON UNDERGROUND GEORGETOWN KENTUCKY 30,144
2004 LARGE QUARRY GROUP THREE RIVERS QUARRY MARTIN MARIETTA AGGREGATES SMITHLAND KENTUCKY 170,175
2004 LARGE UNDERGROUND COAL GROUP CLEAN ENERGY MINE ICG KNOTT COUNTY, L.L.C. KITE KENTUCKY 129,256
2004 SMALL UNDERGROUND COAL GROUP MINE #4 ENTERPRISE MINING COMPANY WHITESBURG KENTUCKY 52,936
2004 SMALL SURFACE COAL GROUP AREA #8 ROBERT CLEAR COAL CORPORATION LAFOLLETTE KENTUCKY 34,155
2004 SMALL METAL NONMETAL MILL GROUP OTTAWA LAKE STONECO OTTAWA LAKE MICHIGAN 24,780
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 UNDERGROUND METAL GROUP TROY MINE GENESIS, INC TROY MONTANA 44,043
2004 SMALL DREDGE GROUP PIT #73 BELLWOOD CENTRAL SAND & GRAVEL COMPANY BELLWOOD NEBRASKA 10,799
2004 SMALL BANK OR PIT GROUP NEWMARKET SAND & GRAVEL CHICK TRUCKING NEW MARKET NEW HAMPSHIRE 10,012
2004 LARGE DREDGE GROUP FAIRFIELD GRAVEL MARTIN MARIETTA AGGREGATES FAIRFIELD OHIO 68,353
2004 SMALL COAL PROCESSING FACILITY GROUP NELMS PREPARATION PLANT CAM OHIO, L.L.C. HOPEDALE OHIO 26,611
2004 SMALL QUARRY GROUP STONEWALL MATERIALS OF OKLAHOMA, L.L.C. STONEWALL MATERIALS OF OKLAHOMA, L.L.C. MINERAL WELLS OKLAHOMA 14,572
2004 LARGE SURFACE COAL GROUP LOVERS GAP #3 PARAMONT COAL COMPANY, L.L.C. COEBURN VIRGINIA 274,711
2004 LARGE COAL PROCESSING FACILITY GROUP LOVERIDGE NO. 22 CONSOLIDATION COAL COMPANY FAIRVIEW WEST VIRGINIA 128,654
2004 LARGE OPEN PIT GROUP BELLE/COLONY MINE AMERICAN COLLOID COMPANY COLONY WYOMING 82,410
2005 LARGE SURFACE COAL GROUP LEE RANCH COAL COMPANY LEE RANCH COAL COMPANY GRANTS NEW MEXICO 444,739
2005 SMALL DREDGE GROUP CENTRAL ARKANSAS SAND CENTRAL ARKANSAS SAND NORTH LITTLE ROCK ARKANSAS 11,473
2005 SMALL UNDERGROUND METAL GROUP BILLIE MINE AMERICAN BORATE COMPANY ROFF CALIFORNIA 38,493
2005 LARGE OPEN PIT GROUP SOUTH FORT MEADE MINE MOSAIC FERTILIZER, L.L.C FT. MEADE FLORIDA 291,144
2005 LARGE METAL NONMETAL MILL GROUP SANDERSVILLE MILL J. M. HUBER CORPORATION SANDERSVILLE GEORGIA 304,157
2005 SMALL METAL NONMETAL MILL GROUP FLORENCE PLANT (CS33) CENTRAL STONE COMPANY FLORENCE ILLINOIS 25,960
2005 SMALL QUARRY GROUP MITCHELL CRUSHED STONE ROGERS GROUP, INC MITCHELL INDIANA 14,889
2005 SMALL BANK OR PIT GROUP NEW PARIS PLANT ELKHART COUNTY GRAVEL, INC NEW PARIS INDIANA 10,190
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 LARGE UNDERGROUND NONMETAL GROUP PEERLESS MINE MISSISSIPPI LIME COMPANY STE. GENEVIEVE MISSOURI 269,596
2005 LARGE QUARRY GROUP TOWER ROCK ST CO ST GENEVIEVE FA TOWER ROCK STONE CO STE. GENEVIEVE MISSOURI 207,514
2005 SMALL OPEN PIT GROUP STATE LINE RESOURCES INC. STATE LINE RESOURCES, INC NEGLEY OHIO 15,660
2005 LARGE DREDGE GROUP SORTER’S ROAD SAND & GRAVEL SUNRISE MATERIALS PORTER TEXAS 81,310
2005 LARGE UNDERGROUND COAL GROUP SKYLINE MINE #3 CANYON FUEL COMPANY SCOFIELD UTAH 246,111
2005 SMALL UNDERGROUND NONMETAL GROUP IMPERIAL MINE QUARRY – DANBY VERMONT QUARRIES CORPORATION DANBY VERMONT 38,829
2005 SMALL COAL PROCESSING FACILITY GROUP #1 LOADING DOCK HAROLD KEENE COAL COMPANY INC SWORDS CREEK VIRGINIA 28,176
2005 LARGE UNDERGROUND METAL GROUP K-2 MINE SITE KINROSS GOLD CORP-KETTLE RIVER OPERATIONS REPUBLIC WASHINGTON 123,762
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 BANK OR PIT GROUP TAYLOR PLANT BADGER MINING CORPORATION TAYLOR WISCONSIN 129,806
2006 LARGE OPEN PIT GROUP BORON OPERATIONS U S BORAX INC BORON CALIFORNIA 449,804
2006 SMALL DREDGE GROUP AUGUSTA SAND MINE RINKER MATERIALS OF FLORIDA INCORPORATED AUGUSTA GEORGIA 11,543
2006 LARGE METAL NONMETAL MILL GROUP SANDERSVILLE MILL J M HUBER CORP SANDERSVILLE GEORGIA 306,219
2006 LARGE SURFACE COAL GROUP FARMERSBURG MINE BLACK BEAUTY COAL COMPANY PIMENTO INDIANA 539,695
2006 SMALL UNDERGROUND NONMETAL GROUP LYONS SALT COMPANY LYONS SALT COMPANY LYONS KANSAS 42,070
2006 LARGE COAL PROCESSING FACILITY GROUP BURKE BRANCH TIPPLE PREMIER ELKHORN COAL COMPANY MYRA KENTUCKY 151,970
2006 LARGE UNDERGROUND COAL GROUP BAND MILL 2 CUMBERLAND RIVER COAL COMPANY EOLIA KENTUCKY 175,686
2006 SMALL UNDERGROUND COAL GROUP ABUNDANCE COAL, INC. ABUNDANCE COAL, INC. KITE KENTUCKY 56,665
2006 LARGE UNDERGROUND NONMETAL GROUP PEERLESS MINE MISSISSIPPI LIME COMPANY STE. GENEVIEVE MISSOURI 279,812
2006 LARGE QUARRY GROUP TOWER ROCK ST CO ST GENEVIEVE FACILITY TOWER ROCK STONE COMPANY STE. GENEVIEVE MISSOURI 229,549
2006 LARGE BANK OR PIT GROUP SLOAN QUARRY #1001 FREHNER CONSTRUCTION COMPANY, INC. NORTH LAS VEGAS NEVADA 218,341
2006 SMALL COAL PROCESSING FACILITY GROUP COLUMBIANA PITS BUCKEYE INDUSTRIAL MINING CO. LISBON OHIO 27,445
2006 SMALL BANK OR PIT GROUP NORTHUMBERLAND SAND PLANT CENTRAL BUILDERS SUPPLY COMPANY NORTHUMBERLAND PENNSYLVANIA 10,029
2006 SMALL SURFACE COAL GROUP STATE INDUSTRIES STRIPS STATE INDUSTRIES INC KITTANNING PENNSYLVANIA 36,488
2006 SMALL METAL NONMETAL MILL GROUP FORKS OF THE RIVER QUARRY RINKER MATERIALS SOUTH CENTRAL, INC. KNOXVILLE TENNESSEE 26,635
2006 LARGE DREDGE GROUP BRIGGS PLANT FORDYCE, LTD. VICTORIA TEXAS 272,424
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 UNDERGROUND METAL GROUP K-2 MINE SITE KINROSS GOLD CORP KETTLE RIVER OPERATIONS REPUBLIC WASHINGTON 29,254
2007 SMALL QUARRY GROUP ATLAS QU PT CRUSHER #1 ATLAS QUARRIES CORD ARKANSAS 14,377
2007 SMALL DREDGE GROUP DAVID G. HORSEY & SONS, INC. JAMES PIT DAVID G. HORSEY & SONS, INC. LAUREL DELAWARE 10,855
2007 LARGE METAL NONMETAL MILL GROUP GORDON PLANT BASF CATALYSTS LLC GORDON GEORGIA 297,035
2007 SMALL SURFACE COAL GROUP FREELANDVILLE EAST MINE TRIAD MINING INC EDWARDSPORT INDIANA 40,049
2007 LARGE COAL PROCESSING FACILITY GROUP PREPARATION PLANT PERRY COUNTY COAL CORPORATION HAZARD KENTUCKY 141,250
2007 LARGE UNDERGROUND NONMETAL GROUP MAYSVILLE MINE CARMEUSE LIME AND STONE INC MAYSVILLE KENTUCKY 228,010
2007 LARGE UNDERGROUND COAL GROUP #77 BLUE DIAMOND COAL COMPANY SLEMP KENTUCKY 128,458
2007 SMALL COAL PROCESSING FACILITY GROUP COMBS BRANCH JOB PINE BRANCH COAL SALES INC CHAVIES KENTUCKY 25,071
2007 LARGE OPEN PIT GROUP NORTHSHORE MINE-BABBITT NORTHSHORE MINING COMPANY BABBITT MINNESOTA 352,251
2007 LARGE UNDERGROUND METAL GROUP BUICK MINE/MILL DOE RUN COMPANY BOSS MISSOURI 304,121
2007 LARGE BANK OR PIT GROUP SLOAN QUARRY #1001 BARDON MATERIALS INC LAS VEGAS NEVADA 185,106
2007 SMALL UNDERGROUND METAL GROUP BARRICK CORTEZ UNDERGROUND CORTEZ JOINT VENTURE CRESENT VALLEY NEVADA 64,860
2007 SMALL METAL NONMETAL MILL GROUP LITCHFIELD QUARRY BARRETT PAVING MATERIALS, INC. CLAYVILLE NEW YORK 26,722
2007 SMALL UNDERGROUND COAL GROUP SOUTH MINE STERLING MINING CORPORATION SALINEVILLE OHIO 56,423
2007 SMALL UNDERGROUND NONMETAL GROUP PETERSBURG MINE EAST FAIRFIELD COAL CO. – LIMESTONE DIVISION NORTH LIMA OHIO 38,941
2007 LARGE DREDGE GROUP BRIGGS PLANT FORDYCE,LTD. VICTORIA TEXAS 238,957
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 SMALL OPEN PIT GROUP LUZENAC AMERICA INC LUZENAC AMERICA INC LUDLOW VERMONT 15,126
2007 SMALL BANK OR PIT GROUP PORTABLE POWER SCREEN TOMMER CONSTRUCTION CO INC EPHRATA WASHINGTON 10,107
2008 SMALL UNDERGROUND METAL GROUP RESOLUTION MINE RESOLUTION COPPER MINING, LLC. SUPERIOR ARIZONA 52,348
2008 SMALL BANK OR PIT GROUP BIG RED DIRT FARM BIG RED DIRT FARM, LLC. FAYETTEVILLE ARKANSAS 9,627
2008 LARGE BANK OR PIT GROUP ISP GRANULE PRODUCTS LLC ISP GRANULE PRODUCTS, LLC. IONE CALIFORNIA 140,639
2008 SMALL UNDERGROUND NONMETAL GROUP NEW YORK MINE IMERYS MARBLE, INC. MARBLE HILL GEORGIA 40,478
2008 LARGE METAL NONMETAL MILL GROUP EDGAR PLANT BASF CATALYSTS, LLC. MCINTYRE GEORGIA 438,023
2008 SMALL QUARRY GROUP SOUTH RIDGE GRANITE QUARRIES SOUTH RIDGE GRANITE QUARRIES, INC. COMER GEORGIA 13,374
2008 LARGE OPEN PIT GROUP DRY VALLEY MINE URS WASHINGTON DIVISION SODA SPRINGS IDAHO 241,185
2008 SMALL OPEN PIT GROUP KAUFMAN-GEORGE PIT NEW NGC INCORPORATED FORT DODGE IOWA 14,479
2008 LARGE QUARRY GROUP THREE RIVERS QUARRY MARTIN MARIETTA MATERIALS, INC. SMITHLAND KENTUCKY 197,795
2008 SMALL UNDERGROUND COAL GROUP CLAS #4 CLAS COAL COMPANY, INC. KITE KENTUCKY 64,156
2008 LARGE UNDERGROUND NONMETAL GROUP THE DETROIT SALT MINE DETROIT SALT COMPANY, LLC. DETROIT MICHIGAN 97,132
2008 LARGE UNDERGROUND METAL GROUP BARRICK CORTEZ UNDERGROUND CORTEZ JOINT VENTURE CRESCENT VALLEY NEVADA 85,208
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 LARGE DREDGE GROUP BRIGGS PLANT FORDYCE HOLDINGS, INC. VICTORIA TEXAS 188,463
2008 LARGE UNDERGROUND COAL GROUP DOMINION NO. 36 DOMINION COAL CORPORATION WHITEWOOD VIRGINIA 176,554
2008 SMALL COAL PROCESSING FACILITY GROUP CHESTERFIELD PREP PLANT OMAR MINING COMPANY MADISON WEST VIRGINIA 28,077
2008 LARGE COAL PROCESSING FACILITY GROUP CHESS PROCESSING ELK RUN COAL COMPANY, INC. SYLVESTER WEST VIRGINIA 154,614
2008 SMALL SURFACE COAL GROUP NORTH SURFACE MINE ALEX ENERGY INC HOLDEN WEST VIRGINIA 39,006
2008 LARGE SURFACE COAL GROUP SURFACE MINE #2 FOLA COAL CO LLC BICKMORE WEST VIRGINIA 678,732
2009 LARGE UNDERGROUND COAL GROUP SHAMROCK #18 SERIES SHAMROCK COAL CO. INC. HYDEN KENTUCKY 175,629
2009 LARGE SURFACE COAL GROUP FARMERSBURG MINE PEABODY MIDWEST MINING, LLC. PIMENTO INDIANA 623,033
2009 LARGE COAL PROCESSING FACILITY GROUP WELLS PREPARATION PLANT EASTERN ASSOCIATED COAL, LLC. WHARTON WEST VIRGINIA 146,334
2009 LARGE BANK OR PIT GROUP SHOWER’S PLANT FORDYCE HOLDINGS, INC. MISSION TEXAS 93,652
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 QUARRY GROUP TOWER ROCK ST CO ST GENEVIEVE FACILITY TOWER ROCK STONE COMPANY STE. GENEVIEVE MISSOURI 201,391
2009 LARGE OPEN PIT GROUP RUBY HILL MINE BARRICK GOLD CORPORATION EUREKA NEVADA 244,188
2009 LARGE UNDERGROUND NONMETAL GROUP DETROIT SALT MINE THE DETROIT SALT CO. LLC. DETROIT MICHIGAN 105,144
2009 LARGE UNDERGROUND METAL GROUP RESOLUTION MINE RESOLUTION COPPER MINING, LLC. SUPERIOR ARIZONA 65,375
2009 SMALL BANK OR PIT GROUP AIRWAY SAND AND GRAVEL SPOKANE ROCK PRODUCTS, INC. AIRWAY WASHINGTON 8,809
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 UNDERGROUND NONMETAL GROUP BROMLEY MINE & MILL BROMLEY QUARRY & ASPHALT, INC. ATCHINSON KANSAS 35,297
2009 SMALL UNDERGROUND METAL GROUP GOLD ROAD MINE ADDWEST MINERALS, INC OATMAN ARIZONA 21,748
2009 SMALL UNDERGROUND COAL GROUP CORINTH MINE WARRIOR INVESTMENT CO., INC. CORDOVA ALABAMA 67,999
2009 SMALL SURFACE COAL GROUP #1 STRIP MINE JAMIESON CONSTRUCTION COMPANY, INC. CALVIN KENTUCKY 34,912
2009 SMALL COAL PROCESSING FACILITY GROUP CEF ALABAMA #3 COVOL ENGINEERED FUELS, LC. ADGER ALABAMA 26,308
2010 LARGE UNDERGROUND COAL GROUP SUFCO MINE CANYON FUEL CO., LLC. SALINA UTAH 641,480
2010 SMALL UNDERGROUND COAL GROUP SHEAN HILL MINE STERLING MINING CORPORATION SALINEVILLE OHIO 86,455
2010 LARGE SURFACE COAL GROUP SOUTH HALLSVILLE NO 1 MINE SABINE MINING COMPANY HALLSVILLE TEXAS 615,591
2010 SMALL SURFACE COAL GROUP MARETT MINE QUALITY AGGREGATES, INC. PARKER PENNSYLVANIA 33,669
2010 LARGE COAL PROCESSING FACILITY GROUP BEVINS BRANCH PREPARATION PLANT MCCOY ELKHORN COAL CORP. PIKEVILLE KENTUCKY 142,049
2010 SMALL COAL PROCESSING FACILITY GROUP MAYFLOWER PREPARATION PLANT POWELL MOUNTAIN ENERGY, LLC. ST. CHARLES VIRGINIA 28,789
2010 LARGE BANK OR PIT GROUP VOCA PLANT UNIMIN CORPORATION VOCA TEXAS 112,750
2010 SMALL BANK OR PIT GROUP CEMEX-MARICOPA CEMEX CONSTRUCTION MATERIALS SOUTH, LLC. MARICOPA ARIZONA 8,744
2010 LARGE DREDGE GROUP BRIGGS PLANT FORDYCE HOLDINGS, INC. VICTORIA TEXAS 160,061
2010 SMALL DREDGE GROUP WOODLAND PLANT CLAYTON SAND COMPANY CHATSWORTH NEW JERSEY 9,895
2010 LARGE METAL NONMETAL MILL GROUP EDGAR PLANT BASF CORPORATION MCINTYRE GEORGIA 429,691
2010 SMALL METAL NONMETAL MILL GROUP DUPO PLANT #9 COLUMBIA QUARRY COMPANY DUPO ILLINOIS 21,016
2010 LARGE OPEN PIT GROUP KEETAC UNITED STATES STEEL KEEWATIN MINNESOTA 433,859
2010 SMALL OPEN PIT GROUP KAUFMAN-GEORGE PIT NEW NGC INCORPORATED FORT DODGE IOWA 14,230
2010 LARGE QUARRY GROUP THREE RIVERS QUARRY MARTIN MARIETTA MATERIALS, INC. SMITHLAND KENTUCKY 143,158
2010 SMALL QUARRY GROUP REEF MINE SOUTHWEST STONE, INC. FERRON UTAH 11,470
2010 LARGE UNDERGROUND METAL GROUP SWEETWATER MINE/MILL DOE RUN COMPANY REYNOLDS MISSOURI 132,049
2010 SMALL UNDERGROUND METAL GROUP ARIZONA #1 DENISON MINES FREDONIA ARIZONA 56,417
2010 LARGE UNDERGROUND NONMETAL GROUP COOLSPRING MINING, INC. COOLSPRING STONE SUPPLY, INC. UNIONTOWN PENNSYLVANIA 83,857
2010 SMALL UNDERGROUND NONMETAL GROUP MISS LINDA MINE J M HUBER CORP MARBLE HILL GEORGIA 37,286
2011 LARGE UNDERGROUND COAL GROUP DUGOUT CANYON MINE ARCH COAL, INC. WELLINGTON UTAH 421,675
2011 SMALL UNDERGROUND COAL GROUP BERGHOLZ 7 ROSEBUD MINING COMPANY BERGHOLZ OHIO 100,501
2011 LARGE SURFACE COAL GROUP ROSEBUD MINE & CRUSHER/CONVEYOR WESTMORELAND MINING, LLC COLSTRIP MINNESOTA 608,779
2011 SMALL SURFACE COAL GROUP CENTRE COUNTY STRIPS ALPHA NATURAL RESOURCES LATROBE PENNSYLVANIA 39,227
2011 LARGE COAL PROCESSING FACILITY GROUP MCELROY PREP PLANT CONSOL ENERGY INC. MOUNDSVILLE WEST VIRGINIA 161,309
2011 SMALL COAL PROCESSING FACILITY GROUP EME HOMER CITY GENERATION EME HOMER CITY GENERATION HOMER CITY PENNSYLVANIA 32,026
2011 LARGE BANK OR PIT GROUP PREFERRED SANDS OF WISCONSIN PREFERRED SANDS OF WISCONSIN, LLC BLAIR WISCONSIN 130,417
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 LARGE DREDGE GROUP IRWINDALE ROCK PLANT HANSON AGGREGATES PACIFIC SOUTHWEST, INC. IRWINDALE CALIFORNIA 75,984
2011 SMALL DREDGE GROUP GROVE CORNEJO & SONS, LLC WICHITA KANSAS 10,245
2011 LARGE METAL NONMETAL MILL GROUP MILL/AUTOCLAVE OPERATIONS BARRICK GOLD CORPORATION OF NORTH AMERICA CARLIN NEVADA 318,853
2011 SMALL METAL NONMETAL MILL GROUP MILTON PLANT HANSON AGGREGATES PENNSYLVANIA, LLC MONTOURSVILLE PENNSYLVANIA 21,157
2011 LARGE OPEN PIT GROUP BARRICK RUBY HILL MINE, OPEN PIT DIVISION BARRICK GOLD OF NORTH AMERICA EUREKA NEVADA 232,809
2011 SMALL OPEN PIT GROUP KAUFMAN-GEORGE PIT NEW NGC INCORPORATED FORT DODGE IOWA 13,926
2011 LARGE QUARRY GROUP THREE RIVERS QUARRY LAFARAGE WEST, INC. SMITHLAND KENTUCKY 157,399
2011 SMALL QUARRY GROUP MARLLARD CREEK QUARRY MARTIN MARIETTA MATERIALS, INC. CHARLOTTE NORTH CAROLINA 11,775
2011 LARGE UNDERGROUND METAL GROUP PEND OREILLE MINE TECK AMERICAN INCORPORATED METALINE FALLS WASHINGTON 74,120
2011 SMALL UNDERGROUND METAL GROUP FIRE CREEK SMALL MINE DEVELOPMENT, LLC CRESCENT VALLEY NEVADA 27,250
2011 LARGE UNDERGROUND NONMETAL GROUP CAYUGA MINE CARGILL DEICING TECHNOLOGY LANSING NEW YORK 384,709
2011 SMALL UNDERGROUND NONMETAL GROUP PARKVILLE MINE HUNT MARTIN MATERIALS, LLC PARKVILLE MISSOURI 32,426
2012 LARGE UNDERGROUND COAL GROUP SUFCO MINE BOWIE RESOURCE PARTNERS, LLC SALINA UTAH 593,557
2012 SMALL UNDERGROUND COAL GROUP ROARING FORK NO 4 MINE ALPHA NATURAL RESOURCES NORA VIRGINIA 85,146
2012 LARGE SURFACE COAL GROUP BUCKSKING MINE KIWIT MINING GROUP INC. GILLETTE WYOMING 750,194
2012 SMALL SURFACE COAL GROUP LOGAN HOLLOW #1 ALDEN RESOURCES LLC CORBIN KENTUCKY 41,439
2012 LARGE COAL PROCESSING FACILITY GROUP KENTUCKY RIVER LOADING ARCH COAL, INC. HAZARD KENTUCKY 146,689
2012 SMALL COAL PROCESSING FACILITY GROUP CHESTERFIELD PREP PLANT ALPHA NATURAL RESOURCES MADISON WISCONSIN 25,999
2012 LARGE BANK OR PIT GROUP SCHOOL HOUSE QUARTZ UNIMIN CORPORATION SPRUCE PINE NORTH CAROLINA 212,809
2012 SMALL BANK OR PIT GROUP FISHER INDUSTRIES PLANT 6 FISHER SAND & GRAVEL CO. DICKINSON NORTH DAKOTA 9,122
2012 LARGE DREDGE GROUP MEGASAND ENTERPRISES INC. MEGASAND ENTERPRISES INC. HIGHLANDS TEXAS 131,625
2012 SMALL DREDGE GROUP NEWARK PIT BROADFOOT SAND & GRAVEL CO., INC. KEARNEY NEBRASKA 10,131
2012 LARGE METAL NONMETAL MILL GROUP BLOOMFIELD PLANT NESTLE PURINA PETCARE BLOOMFIELD MISSOURI 415,751
2012 SMALL METAL NONMETAL MILL GROUP SANTA RITA PLANT IMERYS MARBLE INC SHAUARITA ARIZONA 21,337
2012 LARGE OPEN PIT GROUP KEETAC UNITED STATES STEEL CORPORATION KEEWATIN MINNESOTA 429,474
2012 SMALL OPEN PIT GROUP NICHOLS ROAD PIT PACIFIC AGGREGATES INC. LAKE ELSINORE CALIFORNIA 16,435
2012 LARGE QUARRY GROUP CHICO QUARRY MARTIN MARIETTA MATERIALS, INC. CHICO TEXAS 138,638
2012 SMALL QUARRY GROUP LAUREL QUARRY HANSON AGGREGATES MIDWEST, LLC SOMERSET KENTUCKY 11,915
2012 LARGE UNDERGROUND METAL GROUP BUICK MINE/MILL THE DOE RUN COMPANY BOSS MISSOURI 339,956
2012 SMALL UNDERGROUND METAL GROUP VIBURNUM #29 MINE THE DOE RUN COMPANY VICTORIA MISSOURI 53,015
2012 LARGE UNDERGROUND NONMETAL GROUP PLEASANT GAP GRAYMONT (PA) INC. PLEASANT GAP PENNSYLVANIA 156,493
2012 SMALL UNDERGROUND NONMETAL GROUP CRAB ORCHARD MINE & MILL LHOIST NORTH AMERICA OF TENNESSEE, INC. CRAB ORCHARD TENNESSEE 38,123
2013 LARGE UNDERGROUND COAL GROUP WEST ELK MINE ARCH COAL, INC. SOMERSET COLORADO 585,614
2013 SMALL UNDERGROUND COAL GROUP POUNDMILL MINE #90 BLUE DIAMOND COAL COMPANY JEFF KENTUCKY 85,253
2013 LARGE SURFACE COAL GROUP THREE OAKS LUMINANT MINING CO., LLC ELGIN TEXAS 619,740
2013 SMALL SURFACE COAL GROUP WHITESELL COAL LOADERS INC. LIGONIER PENNSYLVANIA 34,653
2013 LARGE COAL PROCESSING FACILITY GROUP CEREDO DOCK KANAWHA RIVER TERMINALS CEREDO WEST VIRGINIA 206,486
2013 SMALL COAL PROCESSING FACILITY GROUP PREPARATION PLANT BELL COUNTY COAL CORP. MIDDLESBORO KENTUCKY 27,630
2013 LARGE BANK OR PIT GROUP SCHOOLHOUSE QUARTZ PLANT UNIMIN CORPORATION SPRUCE PINE NORTH CAROLINA 183,278
2013 SMALL BANK OR PIT GROUP WEST BLOOMFIELD MINE ELAM SAND & GRAVEL CORP. WEST BLOOMFIELD NEW YORK 9,113
2013 LARGE DREDGE GROUP BRIGGS PLANT FORDYCE HOLDINGS, INC. VICTORIA TEXAS 183,791
2013 SMALL DREDGE GROUP LA AGGREGATE MATERIALS, INC. LA AGGREGATE MATERIALS, INC. BATON ROUGE LOUISIANA 10,320
2013 LARGE METAL NONMETAL MILL GROUP HAYDEN CONCENTRATOR ASARCO, LLC HAYDEN ARIZONA 382,855
2013 SMALL METAL NONMETAL MILL GROUP HICKORY CLAY MILL OLD HICKORY CLAY CO. LLC HICKORY KENTUCKY 20,765
2013 LARGE OPEN PIT GROUP SMOKY CANYON MINE JR SIMPLOT, CO. AFTON WYOMING 374,757
2013 SMALL OPEN PIT GROUP SUN CITY MINE NEW NGC, INC. SUN CITY KANSAS 15,988
2013 LARGE QUARRY GROUP GENEVIEVE FACILITY TOWER ROCK STONE CO. SAINT GENEVIEVE MISSOURI 235,918
2013 SMALL QUARRY GROUP CEDAR RAPIDS QUARRY MARTIN MARIETTA MATERIALS, INC. DES MOINES IOWA 11,622
2013 LARGE UNDERGROUND METAL GROUP TORY MINE TROY MINE INC. TROY MONTANA 135,177
2013 SMALL UNDERGROUND METAL GROUP PINSON MINE ATNA RESOURCES, INC. WINNEMUCCA NEVADA 21,588
2013 LARGE UNDERGROUND NONMETAL GROUP CAYUGA MINE CARGILL INC. LANSING NEW YORK 312,209
2013 SMALL UNDERGROUND NONMETAL GROUP CRAB ORCHARD MINE & MILL LHOIST NORTH AMERICA OF TENNESSEE, INC. CRAB ORCHARD TENNESSEE 37,088
2014 LARGE UNDERGROUND COAL GROUP SKYLINE MINE #3 BOWIE RESOURCE PARTNERS, LLC HELPER UTAH 577,486
2014 SMALL UNDERGROUND COAL GROUP CARBON HILL MINE PROSPECT MINING AND DEVELOPMENT COMPANY, INC CARBON HILL ALABAMA 89,576
2014 LARGE SURFACE COAL GROUP JEWETT MINE TEXAS WESTMORELAND COAL CO. JEWETT TEXAS 836,853
2014 SMALL SURFACE COAL GROUP NO. 1 STRIP BEECHWOOD COAL, LLC LONACONING MARYLAND 31,400
2014 LARGE COAL PROCESSING FACILITY GROUP BULL MOUNTAIN MINE #1 SIGNAL PEAK ENERGY, LLC ROUNDUP MONTANA 292,390
2014 SMALL COAL PROCESSING FACILITY GROUP RED BUD DOCK NO. 1 APPALACHIAN MINING & RECLAMATION LLC CATLETTSBURG KENTUCKY 27,029
2014 LARGE UNDERGOUND METAL GROUP LEE SMITH MINE SMALL MINE DEVELOPMENT, LLC BOISE IDAHO 174,710
2014 SMALL UNDERGROUND METAL GROUP TROY MINE INC HECLA MINING COMPANY TROY MONTANA 100758
2014 LARGE UNDERGROUND NONMETAL GROUP MAYSVILLE MINE CARMEUSE LIME AND STONE INC MAYSVILLE KENTUCKY 212385
2014 SMALL UNDERGROUND NONMETAL GROUP RICH HILL UNDERGROUND MINE HANSON AGGREGATES CONNELLSVILLE PENNSYLVANIA 47,160
2014 LARGE OPEN PIT GROUP SHEPPARD ARCILLA MINING & LAND COMPANY, LLC MCINTYRE GEORGIA  180913
2014 SMALL OPEN PIT GROUP BPM LOVELL MINE BENTONITE PERFORMANCE MINERALS LLC LOVELL WYOMING  16,938
2014 LARGE QUARRY GROUP STE. GENEVIEVE FACILITY TOWER ROCK STONE CO. COLUMBIA ILLINOIS  202,659
2014 SMALL QUARRY GROUP PORTABLE #1 WEST HAWAII CONCRETE KAILUA-KONA HAWAII 12,080
2014 LARGE DREDGE GROUP BRIGGS PLANT FORDYCE HOLDINGS INC. VICTORIA TEXAS 203,452
2014 SMALL DREDGE GROUP COUNTRY SIDE COUNTRY SIDE SAND & GRAVEL, INC SOUTH DAYTON NEW YORK 10,394
2014 LARGE BANK OR PIT GROUP VISTA SAND LONESTAR PROSPECTS LTD GRANBURY TEXAS 184,867
2014 SMALL BANK OR PIT GROUP PORTABLE PLANT #1 ASSOCIATED CONSTRUCTORS, LLC MARQUETTE MICHIGAN 9,367
2014 LARGE METAL NONMETAL MILL GROUP COPPERTON CONCENTRATOR KENNECOTT UTAH COPPER LLC SOUTH JORDAN UTAH 649,385
2014 SMALL METAL NONMETAL MILL GROUP NOKOMIS QUARRY HANSON MATERIAL SERVICE NOKOMIS ILLINOIS 21,549