261. Preliminary lithogeochemical map showing near-surface rock types in the Chesapeake Bay Watershed, Virginia and Maryland Author/Creator: Peper, John D. Publication/Creation: Reston, Va. : U.S. Dept of the Interior, U.S. Geological Survey, 2001 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
262. Preliminary map of landslide deposits in the Los Alamos 30ʹ x 60ʹ quadrangle, New Mexico Author/Creator: Carrara, Paul E. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1999 Resource Type: Map Access & Availability: Loading
263. Preliminary map of landslide deposits in the Mesa Verde National Park area, Colorado Author/Creator: Carrara, Paul E. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2009 Resource Type: Map Access & Availability: Loading
264. Preliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of September 1982 and September 1984 in southern Maryland Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : United States Department of the Interior, Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
265. Preliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : U.S. Department of the Interior, U.S. Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
266. Preliminary maps showing rainfall thresholds for debris-flow activity, San Francisco Bay Region, California Author/Creator: Geological Survey (U.S.) Publication/Creation: Menlo Park, CA : The Survey ; [Denver, CO] : [USGS Information Services (Open-File Report Sales)], 1997 Resource Type: Map Access & Availability: Loading
267. Preliminary publications book 2 from Project on mineral resources, metallogenesis, and tectonics of northeast Asia Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 2003 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
268. Preliminary report on the hydrogeology of Lake Five-O and vicinity, Bay County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
269. Preliminary surficial geologic map database of the Amboy 30 x 60 minute quadrangle, California Author/Creator: Bedford, David R. Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 2006 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
270. Preliminary surficial geologic map of a Calico Mountains piedmont and part of Coyote Lake, Mojave Desert, San Bernardino County, California Author/Creator: Dudash, Stephanie L. Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 2006 Resource Type: Map Access & Availability: Loading
271. Preliminary surficial geologic map of the Mesquite Lake 30ʹ X 60ʹ quadrangle, California and Nevada Author/Creator: Schmidt, Kevin Michael, 1966- Publication/Creation: Menlo Park, Calif. : U.S. Geological Survey, 2006 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
272. Preliminary surficial geology of the Dove Spring off-highway vehicle open area, Mojave Desert, California Author/Creator: Miller, David M. 1951- (David MacArthur) Publication/Creation: Reston, Va. : U.S. Geological Survey, 2007 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
273. Preliminary tectonostratigraphic terrane map of the central and southern Appalachians Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey, Map Distribution Resource Type: Map Access & Availability: Loading
274. Pre-Tertiary bedrock geologic map of the Mariposa 1° by 2° quadrangle, Sierra Nevada, California ; Nevada Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : The Survey ; Denver, CO : For sale by Map Distribution, 1992 Resource Type: Map Access & Availability: Loading
275. Primary geology and geochemistry of rocks and saprolite in part of the Franklin quadrangle, Macon County, North Carolina Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
276. Principal faults in the Houston, Texas, metropolitan area Author/Creator: Shah, Sachin D., 1976- Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2005 Resource Type: Map Access & Availability: Loading
277. Principal reference section for part of the Eocene Ghazij Formation, Abraham Marri Mine area, Pir Ismail Ziarat Coal Field, Balochistan, Pakistan Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
278. Principal reference section for part of the Eocene Ghazij Formation, Gishtari Nala area, Mach Coal Field, Balochistan, Pakistan Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
279. Principal reference section for part of the Eocene Ghazij Formation, Moghal Mine area, Mach Coal Field, Balochistan, Pakistan Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
280. Principal reference section for part of the Eocene Ghazij Formation, Sarawan River area, Johan Coal Field, Balochistan, Pakistan Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading