@misc{indiciaea971e5608c7d,
  title = {Studies of the hydrology of the lower Colorado River area},
  author = {C. C. McDonald},
  year = {1961},
  doi = {10.3133/ofr6192},
  url = {https://pubs.usgs.gov/publication/ofr6192},
  note = {Source identifier: ofr6192}
}