@misc{indiciaefcac91d1fb8c, title = {Potentiometric surface maps of selected confined aquifers in southern Maryland and Maryland's eastern shore, 2019}, author = {Andrew W. Staley and David C. Andreasen and Elizabeth H. Marchand}, year = {2020}, url = {https://pubs.usgs.gov/publication/70217210}, note = {Source identifier: 70217210} }