@misc{indiciae5f4bbcda51bd,
  title = {A comprehensive trail inventory and recommendations for development and maintenance of a trail system in Delaware Water Gap National Recreation Area. Final Research Report},
  author = {Pat Williams and J. L. Marion and R. Rajala},
  year = {1992},
  url = {https://pubs.usgs.gov/publication/5200150},
  note = {Source identifier: 5200150}
}