@misc{indiciaef5b099d9304f,
  title = {Surface water supply of the United States, 1919-1920, Part IX, Colorado River basin},
  author = {Nathan C. Grover and Robert Follansbee and A.B. Purton and H.D. McGlashan},
  year = {1925},
  doi = {10.3133/wsp509},
  url = {https://pubs.usgs.gov/publication/wsp509},
  note = {Source identifier: wsp509}
}