@misc{indiciaecb0eed5f5550,
  title = {Geologic map of the surficial deposits in the Trenton area, New Jersey and Pennsylvania},
  author = {J. P. Owens and J. P. Minard},
  year = {1975},
  doi = {10.3133/i884},
  url = {https://pubs.usgs.gov/publication/i884},
  note = {Source identifier: i884}
}