TY - RPRT TI - Ground-water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia; analysis of available water-quality data through 1987 AU - P. A. Hamilton AU - Robert J. Shedlock AU - P. J. Phillips PY - 1989 DO - 10.3133/ofr8934 UR - https://pubs.usgs.gov/publication/ofr8934 ID - ofr8934 ER -