1. Revision of stratigraphic names for some Eocene formations in Santa Barbara and Ventura counties, California Author/Creator: Vedder, J. G. 1926- (John Graham), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972 Resource Type: Book Access & Availability: Loading
2. Revision of stratigraphic names for some Eocene formations in Santa Barbara and Ventura counties, California Author/Creator: Vedder, J. G. 1926- (John Graham) Publication/Creation: [Washington] : [U.S. Govt. Print. Off], [1972] Resource Type: Book Access & Availability: Loading
3. The Río Abajo, Pitahaya, and Daguao Formations in eastern Puerto Rico : a description of three largely volcaniclastic units, which are assigned an early Cretaceous age Author/Creator: M'Gonigle, John W. Publication/Creation: Washington : U.S. Govt. Print. Off, 1977 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1434-1439. Access & Availability: Loading