1. Callovian (Jurassic) ammonites from the United States and Alaska. Part 1. Western Interior United States Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1953 Resource Type: Book Access & Availability: Loading
2. Callovian (Jurassic) ammonites from the United States and Alaska. Part 2. Alaska peninsula and the Cook Inlet regions Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1953 Resource Type: Book Access & Availability: Loading
3. Callovian (Jurassic) ammonites from the United States and Alaska. : Descriptions and illustrations of cephalopods of Late Jurassic age Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1953 Resource Type: Book Access & Availability: Loading
4. 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
5. 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
6. The Chinle (Upper Triassic) and Sundance (Upper Jurassic) Formations in north-central Colorado Author/Creator: Pipiringos, G. N. 1918- (George Nicholas) Publication/Creation: Washington : U.S. Govt. Print. Off, 1969 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1274. Access & Availability: Loading
7. The Chinle (Upper Triassic) and Sundance (Upper Jurassic) Formations in north-central Colorado : a description of hitherto unreported or little-understood stratigraphic and paleontologic details of marine Jurassic and Upper Triassic rocks of a scantily studied area Author/Creator: Pipiringos, G. N. 1918- (George Nicholas), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969 Resource Type: Book Access & Availability: Loading
8. Clastic pipes of probable solution-collapse origin in Jurassic rocks of the southern San Juan Basin, New Mexico Author/Creator: Hunter, Ralph Eugene, author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
9. Clastic pipes of probable solution-collapse origin in Jurassic rocks of the southern San Juan Basin, New Mexico Author/Creator: Hunter, Ralph Eugene, author Publication/Creation: [Washington, D.C.] : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
10. Cockroaches from Jurassic sediments of the Bakhar Formation in Mongolia Author/Creator: Vršanský, Peter, author Publication/Creation: Cham : Springer, [2020] Resource Type: Book Access & Availability: Loading