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1by Breslin, John A.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1983
Government Document Book -
2by Page, Steven J.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1982
Government Document Book -
3by Organiscak, John A.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1990
Government Document Book -
4by Organiscak, John A.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1992
Government Document Microform Book