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1“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
2“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
3by Vinson, Robert P.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1981
Government Document Book -
4by Volkwein, J. C. (Jon C.)“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1982
Government Document Book -
5by Volkwein, J. C. (Jon C.)“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1980
Government Document Book -
6by Volkwein, J. C. (Jon C.)“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1981
Government Document Book -
7by Thimons, Edward D.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1981
Government Document Book -
8by Cecala, Andrew B.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1984
Government Document Book -
9by Timko, Robert J.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1982
Government Document Book -
10by Volkwein, J. C. (Jon C.)“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1983
Government Document Book -
11by Thimons, Edward D.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1984
Government Document Book -
12by Cecala, Andrew B.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1986
Government Document Book -
13by Cecala, Andrew B.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1985
Government Document Book -
14by Thimons, Edward D.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1985
Government Document Book -
15by Thimons, Edward D.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1986
Government Document Book -
16Published 1985“...U.S. Dept. of the Interior, Bureau of Mines,...”
Government Document Book -
17by Taylor, Charles D. (Charles Darrell), 1946-“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1986
Government Document Book -
18by Cecala, Andrew B.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1986
Government Document Book -
19by Styler, A. N.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1987
Government Document Book -
20by Timko, Robert J.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1986
Government Document Book