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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 -
3by Traut, D. E. (Davis E.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
4by May, J. T. (Joan T.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
5by Traut, D. E. (Davis E.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
6by Palmer, G. R. (Glenn R.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1979
Government Document Book -
7by Maysilles, J. H. (James H.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
8by May, J. T. (Joan T.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
9by Beard, H. Richard“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1979
Government Document Book -
10by Nichols, I. L. (Ivan L.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1979
Government Document Book -
11by Palmer, G. R. (Glenn R.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
12by Redden, L. D.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1988
Government Document Book