Potentiometric surface, 1993, of the Cockfield aquifer in northern Louisiana Cockfield aquifer in northern Louisiana Louisiana ground water map no. IX, potentiometric surface, 1993, Louisiana aquifer system
Relief shown in contours. Also available online in PDF format from the U.S. Geological Survey Warehouse (http:/pubs.er.usgs.gov/). "Prepared in cooperation with the Louisiana Department of Transportation and Development, Public Works and Flood Control Directorate, Water Resources Section." Includes text, 1 table, 5 profiles, and location map.