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1“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
2by Pariseau, William G.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
Government Document Book -
3by Harris, Henry M.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
Government Document Book -
4“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
5by Ferrell, Edward Francis“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
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6“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
7“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
8by Heady, H. H. (Howard H.)“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
Government Document Book -
9Published 1976“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
10“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
11“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
12“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
13“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
14“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
15by Snodgrass, James J.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
Government Document Book -
16by McCulloch, C. M. (Charles M.)“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
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17“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
18by Seibel, Richard J.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1976
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19“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
20“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book