31. Recharge areas and quality of ground water for the Glen Canyon and valley-fill aquifers, Spanish Valley area, Grand and San Juan counties, Utah Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Salt Lake City, Utah : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
32. Recharge-area delineation and hydrology, McCraken Springs, Fort Knox Military Reservation, Meade County, Kentucky Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Louisville, Kentucky : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Map Access & Availability: Loading
33. Recife Publication/Creation: [S.l.] : Maps.com, c1997 Resource Type: Map Access & Availability: Loading
34. Reconnaissance geochemistry in the southern part of the Virgilina district, North Carolina and Virginia Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
35. Reconnaissance geologic map of Elkhorn Peak quadrangle, Bannock and Oneida counties, Idaho Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
36. Reconnaissance geologic map of Kodiak Island and adjacent islands, Alaska Author/Creator: Wilson, Frederic H., 1950- compiler Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2013 Resource Type: Map Access & Availability: Loading
37. Reconnaissance geologic map of parts of the Twin Peaks and Blanca Peak quadrangles, Alamosa, Costilla, and Huerfano counties, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
38. Reconnaissance geologic map of parts of the Zapata Ranch and Mosca Pass quadrangles, Alamosa and Huerfano counties, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
39. Reconnaissance geologic map of the Cucharas Pass quadrangle, Huerfano and Las Animas counties, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
40. Reconnaissance geologic map of the Dubakella Mountain 15' quadrangle, Trinity, Shasta, and Tehama Counties, California Author/Creator: Irwin, W. P. 1919-2012. (William Porter) Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading