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1998 assessment of undiscovered deposits of gold, silver, copper, lead, and zinc in the United State

U.S. Geological Survey National Mineral Resource Assessment Team.
Washington : U.S. G.P.O. ; Denver, CO : Free on application to U.S. Geological Survey, Information Services, 1999. 1999

The enrichment of ore deposits

Emmons, William H. (William Harvey), 1876-1948, author.
[Washington, D.C.] : Department of the Interior, United States Geological Survey, 1917. 1917

Geologic and grade-tonnage information on Tertiary epithermal precious- and base-metal vein district

Mosier, Dan L.
[Washington, D.C.] : U.S. G.P.O. ; Alexandria, VA : [Print copy] for sale by the Distribution Branch, Text Products Section, U.S. Geological Survey, 1986. 1986

Microscopic determination of the ore minerals

Short, M. N. (Maxwell Naylor), 1889-1952 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1940. 1940

Selenium in some oxidized sandstone-type uranium deposits

Davidson, David F. (David Francis), 1923- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1963. 1963