1. 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
2. Stratigraphy, preliminary petrology, and some structural features of Tertiary volcanic rocks in the Gabbs Valley and Gillis Ranges, Mineral County, Nevada Author/Creator: Ekren, E. B. 1923- (Einar Bartlett), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1980 Resource Type: Book Access & Availability: Loading
3. East-trending structural lineaments in central Nevada Author/Creator: Ekren, E. B. 1923- (Einar Bartlett), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1976 Resource Type: Book Access & Availability: Loading
4. Geology of northern Nellis Air Force Base bombing and gunnery range, Nye County, Nevada Author/Creator: Ekren, E. B. 1923- (Einar Bartlett), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1971 Resource Type: Book Access & Availability: Loading
5. Geological-geophysical investigations of bedrock in the Island Falls quadrangle, Aroostook and Penobscot Counties, Maine Author/Creator: Ekren, E. B. 1923- (Einar Bartlett), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1967 Resource Type: Book Access & Availability: Loading
6. Geology and petrology of the Ute Mountains area, Colorado Author/Creator: Ekren, E. B. 1923- (Einar Bartlett), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading