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. A report on the Cretaceous paleontology of New Jersey Author/Creator: Weller, Stuart, 1870-1927 Publication/Creation: Trenton, N. J. : MacCrellish & Quigley, state printers, 1907 Resource Type: Book Access & Availability: Loading
3. Radiolaria from Upper Cretaceous of middle California Author/Creator: Campbell, Arthur Shackleton, 1899- Publication/Creation: [New York] : The Society, 1944 Resource Type: Book Is Part Of: Bound with: QE1 .G4 S7 NO.55-57 ; Origin of mammals based upon cranial morphology of the therapsid suborders, Access & Availability: Loading
4. 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
5. 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
6. 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
7. 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
8. 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
9. The Río Abajo, Pitahaya, and Daguao Formations in eastern Puerto Rico : a description of three largely volcaniclastic units, which are assigned an early Cretaceous age Author/Creator: M'Gonigle, John W. Publication/Creation: Washington : U.S. Govt. Print. Off, 1977 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1434-1439. Access & Availability: Loading
10. 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