@misc{indiciaef1cfb5599836,
  title = {Index of surface-water records, part 9, Colorado River basin, to September 30, 1950},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1951},
  doi = {10.3133/cir140},
  url = {https://pubs.usgs.gov/publication/cir140},
  note = {Source identifier: cir140}
}