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1by Jacobs, H. D. (Howard D.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
2by Schluter, R. B. (Robert B.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
3by Peterson, R. E. (Roy Ernest), 1926-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1981
Government Document Book -
4by Jacobs, H. D. (Howard D.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1981
Government Document Book -
5by Peterson, R. E. (Roy Ernest), 1926-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1983
Government Document Book -
6by Blake, Rolland Laws“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1983
Government Document Book -
7Published 1987“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Microform Book -
8by Haas, L. A. (Larry A.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1989
Government Document Book -
9by Friedel, Michael J.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1992
Government Document Microform Book -
10Published 1995“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Microform Book