1. Characteristic marine Jurassic fossils from the western interior of the United States Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1948 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 214. Access & Availability: Loading
2. Characteristic marine Jurassic fossils from the western interior of the United States Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1948 Resource Type: Book Access & Availability: Loading
3. Correlation and nomenclature of some Triassic and Jurassic rocks in south-central Wyoming, Author/Creator: Pipiringos, G. N. 1918- (George Nicholas) Publication/Creation: Washington : U.S. Govt. Print. Off, 1968 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 594 A-M. Access & Availability: Loading
4. Jurassic (Bathonian or early Callovian) ammonites from Alaska and Montana Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1962 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 372-374. Access & Availability: Loading
5. The Jurassic flora of Cape Lisburne, Alaska Author/Creator: Knowlton, Frank Hall, 1860-1926 Publication/Creation: Washington : Govt. Print. Off, 1914 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no.84-87. Access & Availability: Loading
6. Late Jurassic ammonites from the western Sierra Nevada, California Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1961 Resource Type: Book Access & Availability: Loading
7. Late Jurassic ammonites from the western Sierra Nevada, California Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1961 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 372-374. Access & Availability: Loading
8. Molluscan fauna of the Morrison Formation Author/Creator: Yen, Teng-Chien, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1952 Resource Type: Book Access & Availability: Loading
9. Molluscan fauna of the Morrison Formation Author/Creator: Yen, Teng-Chien Publication/Creation: Washington : U.S. Govt. Print. Off, 1952 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 233 A-E. Access & Availability: Loading
10. Ostracodes from the upper part of the Sundance Formation of South Dakota, Wyoming and Southern Montana Author/Creator: Swain, Frederick M. 1916-2008. (Frederick Morrill) Publication/Creation: Washington : U.S. Govt. Print. Off, 1952 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 243. Access & Availability: Loading
11. Ostracodes from the upper part of the Sundance Formation of South Dakota, Wyoming and Southern Montana Author/Creator: Swain, Frederick M. 1916-2008, (Frederick Morrill), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1952 Resource Type: Book Access & Availability: Loading
12. Some of Alpheus Hyatt's unfigured types from the Jurassic of California Author/Creator: Crickmay, C. H. 1899-1988. (Colin Hayter) Publication/Creation: Washington, D.C. : U.S. G.P.O., 1933 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 174-178. Access & Availability: Loading
13. Some of Alpheus Hyatt's unfigured types from the Jurassic of California Author/Creator: Crickmay, C. H. 1899-1988, (Colin Hayter), author Publication/Creation: Washington : United States Department of the Interior, United States Geological Survey, 1933 Resource Type: Book Access & Availability: Loading
14. Succession and speciation of the pelecypod Aucella, Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1959 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 314 A-H. Access & Availability: Loading
15. Succession and speciation of the pelecypod Aucella Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1959 Resource Type: Book Access & Availability: Loading
16. Upper Jurassic stratigraphy of some adjacent parts of Texas, Louisiana, and Arkansas, Author/Creator: Dickinson, Kendell A., 1931- Publication/Creation: Washington : U.S. Govt. Print. Off, 1968 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 594 A-M. Access & Availability: Loading