@misc{indiciae65ce47ad7e29,
  title = {Aeromagnetic and complete Bouguer gravity anomaly maps of the Hunter-Fryingpan Wilderness area, Pitkin County, Colorado},
  author = {D. L. Campbell},
  year = {1981},
  doi = {10.3133/mf1236c},
  url = {https://pubs.usgs.gov/publication/mf1236C},
  note = {Source identifier: mf1236C}
}