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The Conterminous United States Mineral-Resource Assessment Program : background information to accom

Pratt, Walden P.
[Washington] : U.S. G.P.O. ; Denver, CO : [Available from] Books and Open-File Reports Section, U.S. Geological Survey, 1991. 1991

The Conterminous United States Mineral-Resource Assessment Program : background information to accom

Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the U.S. Geological Survey, Information Services, 1997. 1997

Geology and mineral-resource assessment of the Springfield 1° x 2° quadrangle, Missouri, as appraise

[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1991. 1991

The midcontinent strategic and critical minerals project : summary and background information to acc

Pratt, Walden P.
Washington, DC : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1995. 1995

Regional potential of selected Paleozoic carbonate units in the northern midcontinent for undiscover

Pratt, Walden P., author.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1995. 1995

U.S. Geological Survey-Missouri Geological Survey symposium : mineral-resource potential of the mid-

Washington : Dept. of the Interior, U.S. Geological Survey : U.S. G.P.O. ; Denver, CO : Free application to the Books and Open-File Reports Section, U.S. Geological Survey, 1990. 1990

United States mineral resources

Washington : United States Government Printing Office, 1973. 1973