@misc{indiciae98954bde29fb,
  title = {Bedrock geologic map of the Washington quadrangle, Warren, Hunterdon, and Morris counties, New Jersey},
  author = {Avery Ala Drake and R. A. Volkert and D.H. Monteverde and R.L. Kastelic},
  year = {1994},
  doi = {10.3133/gq1741},
  url = {https://pubs.usgs.gov/publication/gq1741},
  note = {Source identifier: gq1741}
}