@misc{indiciae8e7a6ae1c8b5,
  title = {Water-table, surface-drainage, and engineering soils map of the Milford quadrangle, Delaware},
  author = {Durward H. Boggess and Christian F. Davis and O. J. Coskery},
  year = {1964},
  doi = {10.3133/ha133},
  url = {https://pubs.usgs.gov/publication/ha133},
  note = {Source identifier: ha133}
}