@misc{indiciaede81fa6fa0e8,
  title = {Surface water supply of the United States, 1915, Part IX, Colorado River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1917},
  doi = {10.3133/wsp409},
  url = {https://pubs.usgs.gov/publication/wsp409},
  note = {Source identifier: wsp409}
}