1. Flora of the Montana formation Author/Creator: Knowlton, Frank Hall, 1860-1926, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1900 Format: Book Access & Availability: Loading
2. Fossil plants from the Colgate member of the Fox Hills sandstone and adjacent strata Author/Creator: Brown, Roland W. 1893-1961. (Roland Wilbur) Publication/Creation: Washington : Govt. Print. Off, 1939 Format: Book Is Part Of: U.S. Geological Survey professional paper, no. 189 A-I. Access & Availability: Loading
3. Fossil plants from the Colgate member of the Fox Hills sandstone and adjacent strata Author/Creator: Brown, Roland W. 1893-1961, (Roland Wilbur), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1939 Format: Book Access & Availability: Loading
4. Fresh-water mollusks of Cretaceous Age from Montana and Wyoming Author/Creator: Yen, Teng-Chien Publication/Creation: Washington : U.S. Govt. Print. Off, 1951 Format: Book Is Part Of: U.S. Geological Survey professional paper, no. 233 A-E. Access & Availability: Loading
5. Fresh-water mollusks of Cretaceous Age from Montana and Wyoming Author/Creator: Yen, Teng-Chien, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1951 Format: Book Access & Availability: Loading