@misc{indiciaeb348e955c0c4, title = {Potentiometric surface and water-level difference maps of selected confined aquifers in Southern Maryland and Maryland’s Eastern Shore, 1975-2013}, author = {Andrew W. Staley and David C. Andreasen and Stephen E. Curtin}, year = {2014}, url = {https://pubs.usgs.gov/publication/70174077}, note = {Source identifier: 70174077} }