31. Potentiometric surface of the upper limestone aquifer in the Dorado-Vega Alta area, North-central Puerto Rico, February 1983 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
32. Potentiometric surfaces of November 1982 and declines in the potentiometric surfaces between the period prior to development and November 1982 for the coastal plain aquifers of South Carolina Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
33. Potentiometric surfaces of November 1989 and declines in the potentiometric surfaces between November 1982 and November 1989 for the Black Creek and Middendorf aquifers in South Carolina Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Columbia, South Carolina : U.S. Department of the Interior, U.S. Geological Survey, 1993 Resource Type: Map Access & Availability: Loading
34. Potentiometric surfaces of the coastal plain aquifers of South Carolina prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
35. Potentiometric surfaces of the Mississippi River Valley alluvial aquifer in eastern Arkansas, Spring 1972 and 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : Department of the Interior, United States Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
36. Potentiometric-surface and water-use map of the Tuscaloosa aquifer in Alabama, fall 1982 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
37. Potentiometric-surface map, October through December 1988, and water-level change map, 1983-88, of the Mississippi River alluvial aquifer in northwestern Mississippi Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 1993 Resource Type: Map Access & Availability: Loading
38. Potentiometric-surface map of the carbonate aquifer in Silurian and Devonian rocks, Lucas, Sandusky, and Wood counties, northwestern Ohio, July 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Columbus, Ohio] : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
39. Potentiometric-surface map of the Cockfield Aquifer in Mississippi, October through November 1989 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 1994 Resource Type: Map Access & Availability: Loading
40. Potentiometric-surface map of the Coffee Sand aquifer in northeastern Mississippi, August through December 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading