@misc{indiciae84ed9095b067,
  title = {Calcium, sodium, sulfate, and chloride in stream water of the western conterminous United States to 1957},
  author = {John Henry Frederick Feth},
  year = {1965},
  doi = {10.3133/ha189},
  url = {https://pubs.usgs.gov/publication/ha189},
  note = {Source identifier: ha189}
}