1. Jurassic ammonites from southern Alaska Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: [Washington, D.C.] : [U.S. G.P.O.], [1962-1964] Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 418-421. Access & Availability: Loading
2. Jurassic (Bathonian and Callovian) ammonites in eastern Oregon and western Idaho Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1981 Resource Type: Book Access & Availability: Loading
3. The Jurassic flora of Cape Lisburne, Alaska Author/Creator: Knowlton, Frank Hall, 1860-1926, author Publication/Creation: Washington : Department of the Interior, United States Geological Survey, 1914 Resource Type: Book Access & Availability: Loading
4. Jurassic (Oxfordian and Late Callovian) ammonites from the western interior region 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, 1982 Resource Type: Book Access & Availability: Loading
5. Jurassic paleobiogeography of Alaska Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1973 Resource Type: Book Access & Availability: Loading
6. Jurassic paleobiogeography of the conterminous United States in its continental setting Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1980 Resource Type: Book Access & Availability: Loading
7. The Jurassic Wanakah and Morrison formations in the Telluride-Ouray-western Black Canyon area of southern Colorado : revision of the Wanakah Formation and basal Morrison Formation in part of the Black Canyon of the Gunnison River Author/Creator: O'Sullivan, Robert Brett, 1923- Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Book and Open-File Report Sales, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
8. The Jurassic Wanakah and Morrison formations in the Telluride-Ouray-western Black Canyon area of southwestern Colorado Author/Creator: O'Sullivan, Robert Brett, 1923- author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
9. Jurassic-Cretaceous composite Total Petroleum System and geologic assessment of oil and gas resources of the North Cuba Basin, Cuba Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 2008 Resource Type: Book Access & Availability: Loading