1. The occurrence and origin of analcite and meerschaum beds in the Green River formation of Utah, Colorado, and Wyoming Author/Creator: Bradley, Wilmot H. 1899-1979. (Wilmot Hyde) Publication/Creation: Washington : U.S. G.P.O., 1930 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 157-160. Access & Availability: Loading
2. Oil shale in Northwestern Colorado and adjacent areas Author/Creator: Winchester, Dean E. 1883-1936, (Dean Eddy), author Publication/Creation: [Washington, D.C.] : Department of the Interior, United States Geological Survey, 1916 Resource Type: Book Access & Availability: Loading
3. On hypersthene-andesite and on triclinic pyroxene in augitic rocks Author/Creator: Cross, Whitman, 1854-1949 Publication/Creation: Washington : Govt. Print. Off, 1883 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1-7. Access & Availability: Loading
4. On hypersthene-andesite and on triclinic pyroxene in augitic rocks Author/Creator: Cross, Whitman, 1854-1949, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1883 Resource Type: Book Access & Availability: Loading
5. Ore deposits in the vicinity of the London fault of Colorado, Author/Creator: Singewald, Q. D. 1902-1987. (Quentin Dreyer) Publication/Creation: Washington : U.S. Govt. Print. Off, 1941 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 911-914. Access & Availability: Loading
6. Ore deposits in the vicinity of the London fault of Colorado Author/Creator: Singewald, Q. D. 1902-1987, (Quentin Dreyer), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1941 Resource Type: Book Access & Availability: Loading