1. 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
2. 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
3. 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
4. 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
5. The Red Bird section of the upper Cretaceous Pierre shale in Wyoming Author/Creator: Gill, James R. 1922-1972, (James Rogers), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1966 Resource Type: Book Access & Availability: Loading
6. The Red Bird section of the upper Cretaceous Pierre shale in Wyoming Author/Creator: Gill, James R. 1922-1972. (James Rogers) Publication/Creation: Washington : U.S. Govt. Print. Off, 1966 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 391-395. Access & Availability: Loading
7. Refractory clay deposits of south-central Colorado Author/Creator: Waagé, Karl M. 1915-1999. (Karl Mensch) Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1953 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 992-994. Access & Availability: Loading
8. Refractory clay deposits of south-central Colorado : a description of the refractory and semirefractory clays in the Purgatoire formation and Dakota sandstone Author/Creator: Waagé, Karl M. 1915-1999, (Karl Mensch), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1953 Resource Type: Book Access & Availability: Loading
9. Regional stratigraphic cross sections of Cretaceous rocks from east-central Arizona to the Oklahoma Panhandle Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : The Survey, 2001 Resource Type: Map Edition: Version 1.0, last modified 5 Dec. 2001. Access & Availability: Loading
10. Reservoir sedimentology Publication/Creation: Tulsa, Okla. : Society of Economic Paleontologists and Mineralogists, [1987] Resource Type: Book Access & Availability: Loading