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Jasperoids of the Pando Area, Eagle County, Colorado

Lovering, T. G. (Tom Gray), 1921-1996 author.
[Reston, Va.] : United States Department of the Interior, Geological Survey, 1980. 1980

Mercury and other trace elements in sphalerite and wallrocks from central Kentucky, Tennessee, and A

Jolly, Janice L. W., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1968. 1968

Oxidized zinc deposits of the United States.

Heyl, Allen V. (Allen Van), 1918-2008 author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1963. 1963

Radioactive rare-earth deposit at Scrub Oaks mine, Morris County, New Jersey

Klemic, Harry, 1920- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1959. 1959

Zinc-lead-copper resources and general geology of the upper Mississippi Valley district

Heyl, Allen V. (Allen Van), 1918-2008, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1955. 1955

Zoning of the Bitter Creek vanadium-uranium deposit near Uravan, Colorado

Heyl, Allen V. (Allen Van), 1918-2008, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1957. 1957

Sociology through active learning student exercises

Los Angeles, Calif. : Pine Forge Press, c2009. 2009