@misc{indiciaee57acb7e5785,
  title = {Potentiometric maps and ground-water-level data for the industrial area, northwest of Delaware City, Delaware},
  author = {Colleen A. Donnelly and Kurt C. Hinaman},
  year = {1996},
  doi = {10.3133/ofr95318},
  url = {https://pubs.usgs.gov/publication/ofr95318},
  note = {Source identifier: ofr95318}
}