@misc{indiciae2b8fe3701800,
  title = {Frontcountry recreation site and trail conditions: Haleakala National Park: Research Report},
  author = {Jeffrey L. Marion and K.A. Hockett},
  year = {2006},
  url = {https://pubs.usgs.gov/publication/70040252},
  note = {Source identifier: 70040252}
}