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1by Whyatt, J. K. (Jeff K.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1987
Government Document Book -
2by Swanson, P. L. (Peter L.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1991
Government Document Book -
3by Board, M. P. (Mark P.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1989
Government Document Book -
4by Beus, Michael J.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1996
Government Document Microform Book