1. Stratigraphy, paleontology, and geology of the central Santa Cruz Mountains, California Coast Ranges Author/Creator: Clark, Joseph C., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1981 Resource Type: Book Access & Availability: Loading
2. Stratigraphy, paleontology, and geology of the central Santa Cruz Mountains, California Coast Ranges Author/Creator: Clark, Joseph C. Publication/Creation: Washington : U.S. G.P.O., 1981 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1167-1170. Access & Availability: Loading
3. Stratigraphy, preliminary petrology, and some structural features of tertiary volcanic rocks in the Gabbs Valley and Gillis Ranges, Mineral County, Nevada Publication/Creation: Washington : U.S. Govt. Print. Off., 1980 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1459-1465. Access & Availability: Loading
4. 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
5. Studies in tertiary stratigraphy of the California Coast Ranges Publication/Creation: Washington : U.S. G.P.O., 1983 Resource Type: Book Access & Availability: Loading
6. Studies in tertiary stratigraphy of the California Coast Ranges Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1983 Resource Type: Book Access & Availability: Loading
7. A study of the Cretaceous-Tertiary unconformity in the Piceance Creek Basin, Colorado : the underlying Ohio Creek Formation (Upper Cretaceous) redefined as a member of the Hunter Canyon or Mesaverde Formation Author/Creator: Johnson, Ronald C. 1950- (Ronald Carl), author Publication/Creation: [Reston, Va.] : United States Department of the Interior, Geological Survey, 1980 Resource Type: Book Access & Availability: Loading