@misc{indiciaea92d51c7c90c,
  title = {Claim map, Gateway quadrangle, Mesa County, Colorado},
  author = {Raymond Dewey Sample and Howard F. Albee},
  year = {1961},
  doi = {10.3133/ofr61139},
  url = {https://pubs.usgs.gov/publication/ofr61139},
  note = {Source identifier: ofr61139}
}