@misc{indiciae0b85c2a78956,
  title = {Unevaluated reconnaissance map of the Arkansas River, Colorado, 1921},
  author = {E.E. Jones},
  year = {1979},
  doi = {10.3133/ofr79901},
  url = {https://pubs.usgs.gov/publication/ofr79901},
  note = {Source identifier: ofr79901}
}