@misc{indiciaec01a70e8bc56,
  title = {Plan and profile of Colorado River, Lees Ferry, Ariz., to mouth of Green River, Utah; San Juan River, mouth to Chinle Creek, Utah; and certain tributaries},
  year = {1921},
  doi = {10.3133/70191006},
  url = {https://pubs.usgs.gov/publication/70191006},
  note = {Source identifier: 70191006}
}