TY - RPRT TI - Louisiana Ground-Water Map No.13: Hydrogeology and Potentiometric Surface of the Sparta Aquifer in Northern Louisiana, October 1996 AU - Jeffrey A. Brantly AU - Ronald C. Seanor AU - Kaycee L. McCoy PY - 2002 DO - 10.3133/wri024053 UR - https://pubs.usgs.gov/publication/wri024053 ID - wri024053 ER -