@misc{indiciaeccaa7ae7c5d2, title = {Ground-water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia; project description}, author = {L. J. Bachman and R. J. Shedlock and P. J. Phillips}, year = {1987}, doi = {10.3133/ofr87112}, url = {https://pubs.usgs.gov/publication/ofr87112}, note = {Source identifier: ofr87112} }