@misc{indiciae86d82bee6e57,
  title = {Aeromagnetic map of North Park and vicinity, Colorado},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1978},
  doi = {10.3133/ofr78552},
  url = {https://pubs.usgs.gov/publication/ofr78552},
  note = {Source identifier: ofr78552}
}