Fendick, R. B., & Nyman, D. J. (1987). Louisiana ground-water map no. 1: Potentiometric surface, 1985, and water-level changes, 1983-85, of the Chicot aquifer in southwestern Louisiana. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationFendick, Robert B., and Dale J. Nyman. Louisiana Ground-water Map No. 1: Potentiometric Surface, 1985, and Water-level Changes, 1983-85, of the Chicot Aquifer in Southwestern Louisiana. Baton Rouge, Louisiana: U.S. Department of the Interior, U.S. Geological Survey, 1987.
MLA (9th ed.) CitationFendick, Robert B., and Dale J. Nyman. Louisiana Ground-water Map No. 1: Potentiometric Surface, 1985, and Water-level Changes, 1983-85, of the Chicot Aquifer in Southwestern Louisiana. U.S. Department of the Interior, U.S. Geological Survey, 1987.