1. Radiometric ages of igneous rocks from Pima, Santa Cruz, and Cochise Counties, southeastern Arizona Publication/Creation: Washington : U.S. Govt. Print. Off, 1973 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1373-1381. Access & Availability: Loading
2. Radiometric ages of igneous rocks from Pima, Santa Cruz, and Cochise Counties, southeastern Arizona Author/Creator: Marvin, Richard F., author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973 Resource Type: Book Access & Availability: Loading
3. Recent sedimentation along the Alabama coast Author/Creator: Alabama Geological Society Publication/Creation: University : Alabama Geological Society, [1972] Resource Type: Book Access & Availability: Loading
4. Reconnaissance geology of the Northern Yukon-Koyukuk Province, Alaska, Author/Creator: Patton, William Wallace, 1923- Publication/Creation: Washington : U.S. Govt. Print. Off.; [for sale by the Supt. of Docs.], 1973 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 773-779. Access & Availability: Loading
5. Reconnaissance geology of the Northern Yukon-Koyukuk Province, Alaska Author/Creator: Patton, William Wallace, 1923- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1973 Resource Type: Book Access & Availability: Loading
6. 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
7. Records Author/Creator: Geological Survey of India Publication/Creation: Calcutta : [publisher not identified]. Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
8. Records of the Australian Museum Publication/Creation: [Sydney] : Australian Museum Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
9. Red rock country : the geologic history of the Colorado Plateau Author/Creator: Baars, Donald L. Publication/Creation: Garden City, N.Y. : Doubleday, 1972 Resource Type: Book Edition: [1st edition]. Access & Availability: Loading
10. Regional geology of Northern Ireland Author/Creator: Wilson, H. E. (Harold E.) Publication/Creation: Belfast : H.M. Stationery Off, 1972 Resource Type: Book Access & Availability: Loading