1. The Copper Harbor Conglomerate (Middle Keweenawan) on Isle Royale, Michigan, and its regional implications Author/Creator: Wolff, Roger G., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1973 Resource Type: Book Access & Availability: Loading
2. Changes in the nomenclature and stratigraphy of Proterozoic metamorphic rocks, Tusas Mountains, North-Central New Mexico Author/Creator: Wobus, Reinhard A. Publication/Creation: Washington : U.S. Dept. of Interior, U.S. Geological Survey ; Alexandria, VA : For sale by Distribution Branch, U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
3. The base of the Upper Keweenawan, Michigan and Wisconsin Author/Creator: White, Walter S. 1915- (Walter Stanley), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972 Resource Type: Book Access & Availability: Loading
4. Stratigraphy and lithocorrelation of the Snowslip Formation (Middle Proterozoic Belt Supergroup), Glacier National Park, Montana Author/Creator: Whipple, James W. (James Wilburn), author Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
5. Pre-Cambrian geology of North America Author/Creator: Van Hise, Charles Richard, 1857-1918, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1909 Resource Type: Book Access & Availability: Loading
6. Nomenclature of Precambrian rocks in Colorado Author/Creator: Tweto, Ogden, 1912-1983 Publication/Creation: Washington : U.S. Govt. Print. Off., 1977 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1422-1425. Access & Availability: Loading
7. Las Animas Formation (upper Precambrian) in the subsurface of southeastern Colorado Author/Creator: Tweto, Ogden, 1912-1983 Publication/Creation: [Washington, D.C.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1983 Resource Type: Book Access & Availability: Loading
8. Rock units of the Precambrian basement in Colorado Author/Creator: Tweto, Ogden, 1912-1983, author Publication/Creation: Washington : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
9. Nomenclature of Precambrian rocks in Colorado Author/Creator: Tweto, Ogden, 1912-1983, author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1977 Resource Type: Book Access & Availability: Loading
10. Tectonic studies in the Brazilian shield Publication/Creation: [Reston, Va.] : Dept. of the Interior, Geological Survey ; Washington : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1117-1125. Access & Availability: Loading