1. U. S. Geological Survey National Center, Reston, Virginia : status report Author/Creator: Geological Survey (U.S.) Publication/Creation: [Washington] : The Survey, 1972 Resource Type: Book Access & Availability: Loading
2. Underground waste management and environmental implications : proceedings Author/Creator: Symposium on Underground Waste Management and Environmental Implications Houston, Tex.) (1971 Publication/Creation: Tulsa, Okla. : American Association of Petroleum Geologists, 1972 Resource Type: Book Access & Availability: Loading
3. The underground water resources of Alabama Author/Creator: Smith, Eugene Allen, 1841-1927 Publication/Creation: Montgomery, Ala. : Brown Printing Co., State Printers and Binders, 1907 Resource Type: Book Access & Availability: Loading
4. Understanding our fragile environment : lessons from geochemical studies Publication/Creation: [Washington, D.C.] : U.S. G.P.O. ; Denver, CO : USGS Map Distribution, 1993 Resource Type: Book Access & Availability: Loading
5. Undiscovered deposits of gold, silver, copper, lead, and zinc in the conterminous United States Author/Creator: McCammon, Richard B. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [1997] Resource Type: Book Access & Availability: Loading
6. Undiscovered phosphate resources in the Caribbean region and their potential value for agricultural development Publication/Creation: [Reston, Va.] : Dept. of the Interior, U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
7. Unit-area loads of suspended sediment, suspended solids, and total phosphorus from small watersheds in Wisconsin Publication/Creation: [Washington, D.C.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [1997?] Resource Type: Book Access & Availability: Loading
8. The United States continental scientific drilling program : a report to Congress in response to Public Law 100-441 "Continental Scientific Drilling and Exploration Act" Publication/Creation: Washington, D.C. : The Group, 1989- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
9. United States earthquakes Publication/Creation: Golden, Colo. : U.S. Dept. of the Interior, Geological Survey Resource Type: Journal, Newspaper or Serial Is Part Of: U.S. Geological Survey bulletin, no. 1858-1863. Access & Availability: Loading
10. United States earthquakes, 1985 Author/Creator: Stover, Carl W. Publication/Creation: Laurel, MD : For sale by the Supt. of Docs., U.S.G.P.O., Public Documents Warehouse Resource Type: Book Access & Availability: Loading