41. Potentiometric surface of the principal alluvial aquifers in the Rio Espiritu Santo to Rio Demajagua area, Puerto Rico, March 23-24,1994 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading
42. Potentiometric surface of the principal aquifer and hydrologic conditions in the Ponce-Juana Diaz area, Puerto Rico, April-May, 1987 Author/Creator: Geological Survey (U.S.). Water Resources Division. Caribbean District, cartographer Publication/Creation: San Juan, Puerto Rico : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
43. Potentiometric surface of the Sparta and Memphis aquifers in eastern Arkansas, April through July 1993 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading
44. Potentiometric surface of the Turpentine Run basin aquifer in the Tutu area, eastern St. Thomas, U.S. Virgin Islands, September 11, 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: San Juan, Puerto Rico : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading
45. Potentiometric surface of the Upper 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
46. Potentiometric surface of the upper Floridan aquifer in Florida and in parts of Georgia, South Carolina, and Alabama, May 1985 Author/Creator: Bush, Peter W., author Publication/Creation: Atlanta, Georgia : U.S. Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
47. 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
48. 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
49. 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
50. 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