@misc{indiciae81ed3033f84f,
  title = {Surface water supply of the United States, 1911, Part IX, Colorado River basin},
  author = {Robert Follansbee and W.B. Freeman and G. Clyde Baldwin},
  year = {1914},
  doi = {10.3133/wsp309},
  url = {https://pubs.usgs.gov/publication/wsp309},
  note = {Source identifier: wsp309}
}