Mack, F. K., Wheeler, J. C., & Curtin, S. E. (1985). Map showing the potentiometric surface of the Magothy aquifer in Southern Maryland, September 1983. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationMack, Frederick K., Judith C. Wheeler, and Stephen E. Curtin. Map Showing the Potentiometric Surface of the Magothy Aquifer in Southern Maryland, September 1983. [Towson, Md.]: United States Department of the Interior, Geological Survey, 1985.
MLA (9th ed.) CitationMack, Frederick K., et al. Map Showing the Potentiometric Surface of the Magothy Aquifer in Southern Maryland, September 1983. United States Department of the Interior, Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.