@misc{indiciae076839b9a828,
  title = {Quality of water of the Colorado River, 1925-40},
  author = {Charles S. Howard},
  year = {1955},
  doi = {10.3133/ofr5571},
  url = {https://pubs.usgs.gov/publication/ofr5571},
  note = {Source identifier: ofr5571}
}