@misc{indiciae008d99c3070d,
  title = {Geology of Delaware Water Gap National Recreation Area, New Jersey-Pennsylvania},
  author = {Jack B. Epstein},
  year = {2006},
  doi = {10.1130/2006.fld008(04)},
  url = {https://pubs.usgs.gov/publication/70207715},
  note = {Source identifier: 70207715}
}