@misc{indiciaedd0afea1fad6, title = {The Difference Between the Potentiometric Surfaces of the Magothy Aquifer, September 1975 and September 2001 in Southern Maryland}, author = {Stephen E. Curtin and David C. Andreasen and Judith C. Wheeler}, year = {2002}, doi = {10.3133/ofr02445}, url = {https://pubs.usgs.gov/publication/ofr02445}, note = {Source identifier: ofr02445} }