1. Status of water levels and selected water-quality conditions in the Sparta and Memphis aquifers in eastern and south-central Arkansas, 1999 Author/Creator: Joseph, Robert L., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
2. Potentiometric surface of the Sparta aquifer in eastern and south-central Arkansas and north-central Louisiana, and the Memphis aquifer in east-central Arkansas, October 1996-July 1997 Author/Creator: Joseph, Robert L., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
3. Potentiometric surface and specific conductance of the Sparta and Memphis aquifers in eastern Arkansas, 1995 Author/Creator: Stanton, Gregory P., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading