Curtin, S. E., Andreasen, D. C., & Staley, A. W. (2009). The difference between the potentiometric surfaces of the upper Patapsco Aquifer in Southern Maryland, September 1990 and September 2007. U.S. Dept. of the Interior, U.S. Geological Survey ; Maryland Dept. of Natural Resources.
Chicago Style (17th ed.) CitationCurtin, Stephen E., David C. Andreasen, and Andrew W. Staley. The Difference Between the Potentiometric Surfaces of the Upper Patapsco Aquifer in Southern Maryland, September 1990 and September 2007. Reston, VA : [Annapolis, Md.]: U.S. Dept. of the Interior, U.S. Geological Survey ; Maryland Dept. of Natural Resources, 2009.
MLA (9th ed.) CitationCurtin, Stephen E., et al. The Difference Between the Potentiometric Surfaces of the Upper Patapsco Aquifer in Southern Maryland, September 1990 and September 2007. U.S. Dept. of the Interior, U.S. Geological Survey ; Maryland Dept. of Natural Resources, 2009.