1. Potentiometric surface, 2012, and water-level differences, 2005-12, of the Sparta Aquifer in north-central Louisiana Author/Creator: McGee, Benton D., cartographer Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Format: Map Access & Availability: Loading
2. Louisiana ground-water map no, 9 : potentiometric surface, 1993, of the Cockfield aquifer in northern Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Baton Rouge, Louisiana : U.S. Department of the Interior, U.S. Geological Survey, 1996 Format: Map Access & Availability: Loading