Schrader, T. P. (2007). Status of water levels in aquifers in the Nacatoch Sand of southwestern and northeastern Arkansas and the Tokio Formation of southwestern Arkansas, February 2005. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationSchrader, Tony P. Status of Water Levels in Aquifers in the Nacatoch Sand of Southwestern and Northeastern Arkansas and the Tokio Formation of Southwestern Arkansas, February 2005. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2007.
MLA (9th ed.) CitationSchrader, Tony P. Status of Water Levels in Aquifers in the Nacatoch Sand of Southwestern and Northeastern Arkansas and the Tokio Formation of Southwestern Arkansas, February 2005. U.S. Department of the Interior, U.S. Geological Survey, 2007.