1. A reassessment of reptilian diversity across the Cretaceous- Tertiary boundary Author/Creator: Sullivan, Robert M. Publication/Creation: Los Angeles, Calif. : Natural History Museum of Los Angeles County, [1987] Resource Type: Book Access & Availability: Loading
2. Reconnaissance in the Rio Grande coal fields of Texas Author/Creator: Vaughan, Thomas Wayland, 1870-1952, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1900 Resource Type: Book Access & Availability: Loading
3. Reconnaissance study of the Wasatch, Evanston, and Echo Canyon Formations in part of northern Utah : description, distribution, and heavy-mineral content of some Upper Cretaceous and lower Tertiary orogenic conglomerates in northern Utah Author/Creator: Mullens, Thomas E. 1924- (Thomas Ellison), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1971 Resource Type: Book Access & Availability: Loading
4. Reconnaissance study of Upper Cretaceous to Miocene stratigraphic units and sedimentary facies, Kodiak and adjacent islands, Alaska Author/Creator: Nilsen, Tor Helge, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1979 Resource Type: Book Access & Availability: Loading
5. Reconnaissance study of Upper Cretaceous to Miocene stratigraphic units and sedimentary facies, Kodiak and adjacent islands, Alaska Author/Creator: Nilsen, Tor Helge Publication/Creation: For sale by the Supt. of Docs., U.S. Govt. Print Off Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1091-1095. Access & Availability: Loading