TY - RPRT TI - Potentiometric surface and water-level difference maps of selected confined aquifers in Southern Maryland and Maryland’s Eastern Shore, 1975-2015 AU - Stephen E. Curtin AU - Andrew W. Staley AU - David C. Andreasen PY - 2016 UR - https://pubs.usgs.gov/publication/70180371 ID - 70180371 ER -