1. Solnhofen : a study in Mesozoic palaeontology Author/Creator: Barthel, K. Werner Publication/Creation: Cambridge [England] ; New York : Cambridge University Press, 1990 Resource Type: Book Access & Availability: Loading
2. Some Jurassic ammonites from central Saudi Arabia Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1970 Resource Type: Book Access & Availability: Loading
3. Some Jurassic ammonites from central Saudi Arabia, Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1970 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 642-644. Access & Availability: Loading
4. 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
5. 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
6. Stratigraphic distribution and zonation of Jurassic (Callovian) ammonites in southern Alaska Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1975 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no.832-839. Access & Availability: Loading
7. Stratigraphic distribution and zonation of Jurassic (Callovian) ammonites in southern Alaska Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1975 Resource Type: Book Access & Availability: Loading
8. Stratigraphic nomenclature of the Newark Supergroup of eastern North America Author/Creator: Luttrell, Gwendolyn Lewise Werth, 1927- Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO (Federal Center, Box 25425, Denver 80225) : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
9. Stratigraphic nomenclature of the Newark Supergroup of eastern North America Author/Creator: Luttrell, Gwendolyn Lewise Werth, 1927- author Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
10. Stratigraphic relations of the Navajo Sandstone to Middle Jurassic formations, southern Utah and northern Arizona Author/Creator: Peterson, Fred, 1933- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1979 Resource Type: Book Access & Availability: Loading