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1by Miller, Wayne K.“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Published 1975
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2Published 1977“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
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3by Oitto, Richard H.“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Published 1975
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4Published 1975“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
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5by Misaqi, Leo“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Published 1975
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6“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
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7by Schlick, Donald P.“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Published 1975
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8“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
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9by Hollop, Edward E.“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Published 1977
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10by Tomb, Thomas F.“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Published 1977
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11“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
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12by Lee, F. R.“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Published 1977
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13Published 1977“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
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14“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
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15by Parobeck, Paul S.“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Published 1976
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16“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Government Document Book -
17“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Government Document Book -
18“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
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19“...Informational report (United States. Mining Enforcement and Safety Administration) ;...”
Government Document Book -
20
Government Document Serial