41. 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 Format: Map Access & Availability: Loading
43. 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 Format: Map Access & Availability: Loading
44. 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 Format: Map Access & Availability: Loading
45. Reconnaissance geologic map of the Hayfork 15ʹ quadrangle, Trinity County, California Author/Creator: Irwin, W. P. 1919-2012. (William Porter) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2010 Format: Map Access & Availability: Loading
46. Reconnaissance geologic map of the Hyampom quadrangle, Trinity County, California Author/Creator: Irwin, W. P. 1919-2012. (William Porter) Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010 Format: Map Access & Availability: Loading
47. Reconnaissance geologic map of the Kuskokwim Bay region, southwest Alaska : Including the Bethel, Goodnews Bay, Nushagak Bay, Hagemeister Island, Baird Inlet, Cape Mendenhall, Kuskokwim Bay, Nunivak Island, Saint Matthew, and Pribilof Islands 1:250,000-scale quadrangles Author/Creator: Wilson, Frederic H., 1950- compiler Publication/Creation: Reston, Va. : U.S. Geological Survey, U.S. Department of the Interior, 2013 Format: Map Access & Availability: Loading
48. Reconnaissance of ground-water resources of northeastern Valley County, Montana Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey ; Denver, CO : For sale by USGS Information Services, 2004 Format: Map Access & Availability: Loading
49. Reconnaissance of ground-water resources of the Fort Peck Indian Reservation, northeastern Montana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Helena, Montana : U.S. Department of the Interior, U.S. Geological Survey, 1991 Format: Map Access & Availability: Loading
50. Reconnaissance of the Zuñi, Little Colorado, and Colorado rivers Author/Creator: Sitgreaves, Lorenzo, 1811-1888, cartographer Publication/Creation: New York : Ackerman Lith., 1852 Format: Map Access & Availability: Loading