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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 -
4by Bennington, K. O.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
5by Stuve, J. M.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1978
Government Document Book -
6Published 1978“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Book -
7by Stuve, J. M.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
8by Bennington, K. O.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
9by Ferrante, M. J. (Michael John), 1930-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1980
Government Document Book -
10by Ferrante, M. J. (Michael John), 1930-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1981
Government Document Book -
11by Ferrante, M. J. (Michael John), 1930-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1982
Government Document Book -
12by Ferrante, M. J. (Michael John), 1930-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1984
Government Document Book -
13by Ferrante, M. J. (Michael John), 1930-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1986
Government Document Book -
14by Ferrante, M. J. (Michael John), 1930-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1986
Government Document Book -
15by Ferrante, M. J. (Michael John), 1930-“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1987
Government Document Book