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1by De Rosa, Maria I.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1986
Government Document Book -
2by Litton, C. D. (Charles D.)“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1987
Government Document Book -
3by De Rosa, Maria I.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1991
Government Document Book -
4by De Rosa, Maria I.“...Bureau of Mines, U.S. Dept. of the Interior,...”
Published 1989
Government Document Book -
5by De Rosa, Maria I.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1991
Government Document Book -
6by De Rosa, Maria I.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1989
Government Document Book -
7by De Rosa, Maria I.“...U.S. Dept. of the Interior, Bureau of Mines,...”
Published 1992
Government Document Microform Book