@misc{indiciae3f8462104741,
  title = {Quality of surface waters of the United States, 1966, Parts 9-11, Colorado River basin to Pacific slope basins in California},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/wsp1995},
  url = {https://pubs.usgs.gov/publication/wsp1995},
  note = {Source identifier: wsp1995}
}