Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989

MLA

Geological Survey (U.S.), et al. Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989. Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1991.

APA

Geological Survey (U.S.), Mack, F., Curtin, S., Andreasen, D., Wheeler, J., Maryland Geological Survey & Maryland. (1991). Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989. Towson, Maryland : Department of the Interior, U.S. Geological Survey.

Chicago

Geological Survey (U.S.), Frederick K. Mack, Stephen E. Curtin, David C. Andreasen, Judith C. Wheeler, Maryland Geological Survey and Maryland. Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989. Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1991.