@misc{indiciaef819450f34cf,
  title = {Quality of surface waters of the United States, 1969, Part 6, Missouri River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1974},
  doi = {10.3133/wsp2145},
  url = {https://pubs.usgs.gov/publication/wsp2145},
  note = {Source identifier: wsp2145}
}