@misc{indiciae037bc3d413dc,
  title = {Geologic map of Cherry and Godfrey ridges in the Saylorsburg, Stroudsburg, and East Stroudsburg quadrangles, Monroe County, Pennsylvania},
  author = {Jack B. Epstein},
  year = {1989},
  doi = {10.3133/i1422},
  url = {https://pubs.usgs.gov/publication/i1422},
  note = {Source identifier: i1422}
}