TY - GEN A2 - Walters, David J. A2 - Louisiana. Department of Transportation and Development. Water Resources Section AU - Geological Survey (U.S.), cartographer. CY - Baton Rouge, Louisiana CY - Denver, Colorado L2 - https://purl.fdlp.gov/GPO/gpo130799 LA - English PB - [U.S. Department of the Interior, U.S. Geological Survey, Open-File Reports Section] PP - Baton Rouge, Louisiana PP - Denver, Colorado PY - 1995 TI - Louisiana ground-water map no. 7 : potentiometric surface, 1991, and water-level changes, 1969-91, of the Chicot equivalent aquifer system in southeastern Louisiana ER -