TY - RPRT TI - Potentiometric surface and water-level difference maps of selected confined aquifers in Southern Maryland and Maryland’s Eastern Shore, 1975-2013 AU - Andrew W. Staley AU - David C. Andreasen AU - Stephen E. Curtin PY - 2014 UR - https://pubs.usgs.gov/publication/70174077 ID - 70174077 ER -