1. Sapphirine in Precambrian rocks associated with stratabound sulfide deposits, Custer County, Colorado Author/Creator: Raymond, William H. author Publication/Creation: [Reston, Va.] : United States Department of the Interior, Geological Survey, 1980 Resource Type: Book Access & Availability: Loading
2. Stratigraphic and structural relations of the Hoodoo Quartzite and Yellowjacket Formation of Middle Proterozoic age from Hoodoo Creek eastward to Mount Taylor, central Idaho ; with a geologic map of the region between the middle fork of the Salmon River and the Salmon River Author/Creator: Ekren, E. B. 1923- (Einar Bartlett), author Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
3. Stratigraphic and structural relations of the Hoodoo Quartzite and Yellowjacket Formation of Middle Proterozoic age from Hoodoo Creek eastward to Mount Taylor, central Idaho : with a geologic map of the region between the middle fork of the Salmon River and the Salmon River Author/Creator: Ekren, E. B. 1923- (Einar Bartlett) Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
4. Stratigraphy of pre-Keweenawan rocks in parts of northern Michigan Author/Creator: James, H. L. 1912-2000, (Harold Lloyd), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1958 Resource Type: Book Access & Availability: Loading
5. Stratigraphy of the Dripping Spring Quartzite, southeastern Arizona Author/Creator: Granger, H. C. 1925- (Harry Clifford), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1964 Resource Type: Book Access & Availability: Loading
6. Structure and mineralization of Precambrian rocks in the Galena-Roubaix district, Black Hills, South Dakota Author/Creator: Bayley, Richard W. 1919- (Richard William), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1970 Resource Type: Book Access & Availability: Loading