@misc{indiciaea45f4304e139,
  title = {Aeromagnetic map of West Elk and vicinity, Colorado},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1978},
  doi = {10.3133/ofr78817},
  url = {https://pubs.usgs.gov/publication/ofr78817},
  note = {Source identifier: ofr78817}
}