@misc{indiciae54f947736693,
  title = {Geologic map of the Stroudsburg quadrangle, Pennsylvania-New Jersey},
  author = {Jack Burton Epstein},
  year = {1973},
  doi = {10.3133/gq1047},
  url = {https://pubs.usgs.gov/publication/gq1047},
  note = {Source identifier: gq1047}
}