@misc{indiciae44c8f7973e55,
  title = {Index of surface-water records to September 30, 1970: Part 9. - Colorado River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/cir659},
  url = {https://pubs.usgs.gov/publication/cir659},
  note = {Source identifier: cir659}
}