31. Potentiometric surface of the Lower Cape Fear aquifer in the central coastal plain of North Carolina, December 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Raleigh, North Carolina : U.S. Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
32. Potentiometric surface of the Magothy aquifer in southern Maryland during September 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
33. Potentiometric surface of the Magothy aquifer in southern Maryland during the Fall of 1986 Author/Creator: Mack, Frederick K., author Publication/Creation: Towson, Maryland : U.S. Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
34. Potentiometric surface of the Magothy aquifer in southern Maryland during the fall of 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
35. Potentiometric surface of the Magothy aquifer in southern Maryland, September 1989 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
36. Potentiometric surface of the Manchester Aquifer, Arnold Air Force Base, Tennessee, 2002 Author/Creator: Robinson, John A. 1963- (John Adam) Publication/Creation: [Reston, Va.] : U.S. Geological Survey, [2005] Resource Type: Map Access & Availability: Loading
37. Potentiometric surface of the Mississippi River Valley alluvial aquifer, spring 2016 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Resource Type: Map Access & Availability: Loading
38. Potentiometric surface of the Ozark Aquifer in Arkansas, Kansas, Missouri, and Oklahoma, November 2014-January 2015 Author/Creator: Groundwater Resources Program (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, Groundwater Resources Program, 2015 Resource Type: Map Access & Availability: Loading
39. Potentiometric surface of the Ozark Aquifer near Springfield, Missouri, 2006-07 Author/Creator: Richards, Joseph M. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Resource Type: Map Access & Availability: Loading
40. Potentiometric surface of the Peedee aquifer in the central coastal plain of North Carolina, December 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Raleigh, North Carolina : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading