@misc{indiciae84a330413af8,
  title = {Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia— Analysis of available ground-water-quality data through 1987},
  author = {P. A. Hamilton and Robert J. Shedlock and P. J. Phillips},
  year = {1991},
  doi = {10.3133/wsp2355b},
  url = {https://pubs.usgs.gov/publication/wsp2355B},
  note = {Source identifier: wsp2355B}
}