@misc{indiciae4b2854429ef3,
  title = {Geologic controls of landslides in the Delaware Water Gap National Recreation Area, New Jersey-Pennsylvania, and Lehigh Gap, Pennsylvania},
  author = {Jack B. Epstein},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/70231173},
  note = {Source identifier: 70231173}
}