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1by Vinson, Robert P.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1981
Government Document Book -
2by Page, Steven J.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
3by Volkwein, J. C. (Jon C.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
4by Volkwein, J. C. (Jon C.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1981
Government Document Book -
5by Organiscak, John A.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1983
Government Document Book -
6by Volkwein, J. C. (Jon C.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1983
Government Document Book -
7by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1985
Government Document Book -
8by Volkwein, J. C. (Jon C.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1989
Government Document Book -
9by Volkwein, J. C. (Jon C.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1993
Government Document Microform Book -
10by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1984
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Government Document Book