Ackerman, D. J. (1987). Generalized potentiometric surface of the aquifers in the Cockfield Formation, southeastern Arkansas, spring 1980. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationAckerman, D. J. Generalized Potentiometric Surface of the Aquifers in the Cockfield Formation, Southeastern Arkansas, Spring 1980. Little Rock, Arkansas: Department of the Interior, U.S. Geological Survey, 1987.
MLA (9th ed.) CitationAckerman, D. J. Generalized Potentiometric Surface of the Aquifers in the Cockfield Formation, Southeastern Arkansas, Spring 1980. Department of the Interior, U.S. Geological Survey, 1987.
Warning: These citations may not always be 100% accurate.