TY - RPRT TI - Louisiana ground-water map no. 11: potentiometric surface, Spring, 1993, and water-level changes, 1987-93, of the Gonzales-New Orleans Aquifer in southeastern Louisiana AU - David J. Walters PY - 1995 DO - 10.3133/wri954169 UR - https://pubs.usgs.gov/publication/wri954169 ID - wri954169 ER -