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Gold placer deposits of the Pioneer district, Montana : a geologic study of the historic diggings al

Pardee, J. T. (Joseph Thomas), 1871-1960 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1951. 1951

Gold placers and their geologic environment in northwestern Park County, Colorado

Singewald, Q. D. (Quentin Dreyer), 1902-1987, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1950. 1950

Gold placers of the Circle district, Alaska : past, present, and future

Yeend, Warren E., 1936- author.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1991. 1991

Headwater regions of Gulkana and Susitna rivers, Alaska : with accounts of the Valdez Creek and Chis

Moffit, Fred H. (Fred Howard), 1874-1958?, author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1912. 1912

The Innoko gold-placer district, Alaska, with accounts of the central Kuskokwim Valley and the Ruby

Maddren, A. G. (Alfred Geddes), 1875- author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1910. 1910

Marine gold placers along the Gulf of Alaska margin

Reimnitz, Erk, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1976. 1976

Placer deposits of Alaska

Cobb, Edward Huntington, 1916-1983 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973. 1973

Placer gold deposits of Arizona

Johnson, Maureen G., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972. 1972

Placer gold deposits of Nevada

Johnson, Maureen G., author.
[Washington, D.C.] : Department of the Interior, U.S. Geological Survey, 1973. 1973

Placer gold deposits of New Mexico

Johnson, Maureen G., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972. 1972

Placer gold deposits of Utah

Johnson, Maureen G., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973. 1973

Platinum-group elements in magnetic concentrates from the Goodnews Bay district, Alaska

Rosenblum, Sam, author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1985. 1985

Tin-bearing placers near Guadalcazar, State of San Luis Potosi, Mexico

Fries, Carl, 1910-1965, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1948. 1948