@misc{indiciae9ec78aca66ef,
  title = {Quality of surface waters of the United States, 1952. Parts 9-14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1957},
  doi = {10.3133/wsp1253},
  url = {https://pubs.usgs.gov/publication/wsp1253},
  note = {Source identifier: wsp1253}
}