1. Louisiana ground-water map no.18 : potentiometric surface, 2003, Jasper Aquifer System in west-central Louisiana Author/Creator: Brantly, Jeffrey A. Publication/Creation: [Baton Rouge, La.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2005 Resource Type: Map Access & Availability: Loading
2. Louisiana ground-water map no. 13 : hydrogeologic and potentiometric surface, October 1996, of the Sparta Aquifer in northern Louisiana Author/Creator: Brantly, Jeffrey A. Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Map Access & Availability: Loading