51. Water levels in, extent of freshwater in, and water withdrawals from ten confined aquifers, New Jersey and Delaware coastal plain, 1998 Author/Creator: Geological Survey (U.S.) Publication/Creation: [West Trenton, N.J.] : The Survey, 2001 Resource Type: Map Access & Availability: Loading
52. Louisiana ground-water map no. 12 : potentiometric surface of the Chicot Aquifer system in southwestern Louisiana, June 2000 Author/Creator: Lovelace, John K. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Map Access & Availability: Loading