@misc{indiciae02fe5c65334e, title = {Potentiometric surface and water-level difference maps of selected confined aquifers in Southern Maryland and Maryland’s Eastern Shore, 1975-2015}, author = {Stephen E. Curtin and Andrew W. Staley and David C. Andreasen}, year = {2016}, url = {https://pubs.usgs.gov/publication/70180371}, note = {Source identifier: 70180371} }