TY - RPRT TI - Hydrology and chemistry of groundwater and seasonal ponds in the Atlantic Coastal Plain in Delaware, USA AU - P. J. Phillips AU - R. J. Shedlock PY - 1993 DO - 10.1016/0022-1694(93)90048-e UR - https://pubs.usgs.gov/publication/70018217 ID - 70018217 ER -