@misc{indiciae7bc3fd721490,
  title = {The Navajo country: A geographic and hydrographic reconnaissance of parts of Arizona, New Mexico, and Utah},
  author = {Herbert E. Gregory},
  year = {1916},
  doi = {10.3133/wsp380},
  url = {https://pubs.usgs.gov/publication/wsp380},
  note = {Source identifier: wsp380}
}