1. Reconnaissance study of the Wasatch, Evanston, and Echo Canyon Formations in part of northern Utah : description, distribution, and heavy-mineral content of some Upper Cretaceous and lower Tertiary orogenic conglomerates in northern Utah Author/Creator: Mullens, Thomas E. 1924- (Thomas Ellison), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1971 Resource Type: Book Access & Availability: Loading
2. Revision of the flora of the Green River formation : with descriptions of new species Author/Creator: Knowlton, Frank Hall, 1860-1926 Publication/Creation: Washington : Govt. print Off, 1923 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 131 A-H. Access & Availability: Loading
3. Revision of the flora of the Green River formation with descriptions of new species Author/Creator: Knowlton, Frank Hall, 1860-1926, author Publication/Creation: [Washington] : [Department of the Interior, United States Geological Survey], [1923] Resource Type: Book Access & Availability: Loading