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1“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Book -
2“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Book -
3“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Book -
4“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Book -
5by Matta, Joseph E.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1977
Government Document Book -
6by Thimons, Edward D.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
7“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Book -
8by Vinson, Robert P.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
9by Matta, Joseph E.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
10by Thimons, Edward D.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1979
Government Document Book -
11by Matta, Joseph E.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
12by Matta, Joseph E.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
13by Maksimovic, S. D.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
14by Thimons, Edward D.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1979
Government Document Book -
15by LaScola, John C.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1981
Government Document Book -
16by Jayaraman, Natesa I.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1985
Government Document Book -
17by LaScola, John C.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1981
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18by Kissell, Fred N.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1973
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19by Thimons, Edward D.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1979
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20by Kissell, Fred N.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1972
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Government Document Book