1. Gold placers and their geologic environment in northwestern Park County, Colorado / by Quentin D. Singewald ; prepared in cooperation with the Sate of Colorado [and three others]. Singewald, Q. D. (Quentin Dreyer), 1902-1987 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1950.Washington : United States Government Printing Office. Book Online
2. Geologic investigations in the American Republics, 1945. Antimony deposits of the Tejocotes region, state of Oaxaca, Mexico / by Donald E. White and Reinaldo Guiza, Jr. White, Donald Edward, 1914-2002 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1949.Washington : United States Government Printing Office. Book Online
3. Geologic investigations in the American Republics, 1945. Manganese deposits of the Republic of Haiti / by E.N. Goddard, L.S. Gardner, and W.S. Burbank. Goddard, Edwin N. (Edwin Newell), 1904-1997 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1949.Washington : United States Government Printing Office. Book Online
4. Geology and manganese deposits of the Lucifer district northwest of Santa Rosalie, Baja California, Mexico / by Ivan F. Wilson and Mario Veytia ; prepared in cooperation with the Universidad Nacional Autonoma de Mexico, Instituto de Geologia and Secretaria de la Economia Nacional Direccion General de Minas y Petroleo under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation, Department of State. Wilson, Ivan F. (Ivan Franklin), 1916- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1949.Washington : United States Government Printing Office. Book Online
5. Phosphate deposits of the Deer Creek-Wells Canyon area, Caribou County, Idaho / by Charles Deiss. Deiss, Charles F. (Charles Frederick), 1903-1959 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1949.Washington : United States Government Printing Office. Book Online
6. Preliminary report on the bedded manganese of the Lake Mead region, Nevada and Arizona / by V.E. McKelvey, J.H. Wiese, and V.H. Johnson. McKelvey, V. E. (Vincent Ellis), 1916- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1949.Washington : United States Government Printing Office. Book Online
7. Geologic investigations in the American republics, 1946. Geology and chromite deposits of the Camagüey district, Camagüey Province, Cuba / by Delos E. Flint, Jesus Francisco de Albear and Philip W. Guild. Flint, Delos E. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1948.Washington : United States Government Printing Office. Book Online
8. Geologic investigations in the American republics, 1946. Optical calcite deposits of the Republic of Mexico / by Carl Fries, Jr. Fries, Carl, 1910-1965 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1948.Washington : United States Government Printing Office. Book Online
9. Geology and ore deposits of the Libby quadrangle, Montana / by Russell Gibson ; with sections on glaciation by W.C. Alden, and physiography by J.T. Pardee. Gibson, Russell [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1948.Washington : United States Government Printing Office Book Online
10. Geology of tungsten deposits in north-central Chile / by James F. McAllister and Carlos Ruiz F. McAllister, James F. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1948.Washington : United States Government Printing Office Book Online
11. Geologic investigations in the American Republics, 1945. Aluminous lateritic soil of the Sierra de Bahoruco area, Dominican Republic, W. I. / by Samuel S. Goldich, and Harlan R. Berquist ; prepared in cooperation with the Department of Agriculture of the Dominican Republic under the auspices of Interdepartmental Committee on Scientific and Cultural Cooperation, Department of State. Goldich, Samuel S., 1909- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1947.Washington : United States Government Printing Office. Book Online
12. Geology of the Cuarenta mercury district, State of Durango, Mexico / by David Gallagher and Raphael Perez Siliceo. Gallagher, David, 1906- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1946.Washington : United States Government Printing Office. Book Online
13. Geology of the Green River Desert-Cataract Canyon region : Emery, Wayne, and Garfield counties, Utah / by Arthur A. Baker. Baker, Arthur A. (Arthur Alan), 1897-1996 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1946.Washington : United States Government Printing Office. Book Online
14. Tungsten deposits in Beaver County, Utah / by S.W. Hobbs. Hobbs, S. W. (Samuel Warren), 1911- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1945.Washington : United States Government Printing Office. Book Online
15. Chromite deposits near San Luis Obispo, San Luis Obispo County, California / by Clay T. Smith and Allan B. Griggs. Smith, Clay T. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944.Washington : United States Government Printing Office. Book Online
16. Cobalt-bearing manganese deposits of Alabama, Georgia, and Tennessee / by W. G. Pierce. Pierce, W. G. (William Gamewell), 1904-1994 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944.Washington : United States Government Printing Office. Book Online
17. Geological and geophysical survey of fluorspar areas in Hardin County, Illinois. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944.Washington : United States Government Printing Office. Book Online
18. Geology and manganese deposits of Guisa-Los Negros area, Oriente Province, Cuba / by W. P. Woodring and S. N. Daviess. Woodring, W. P. (Wendell Phillips), 1891-1983 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944.Washington : United States Government Printing Office. Book Online
19. Geology of the Grey Eagle and some nearby chromite deposits in Glenn County, California / by G.A. Rynearson and F.G. Wells. Rynearson, G. A. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944.Washington : United States Government Printing Office Book Online
20. Manganese deposits in the Artillery Mountains region, Mohave County, Arizona / by S.G. Lasky and B.N. Webber. Lasky, Samuel G. (Samuel Grossman), 1901- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944.Washington : United States Government Printing Office. Book Online