@misc{indiciae36271440a1fc,
  title = {Quality of water of Pecos River in Texas},
  author = {W. D. Collins and Harry Buchholz Riffenburg},
  year = {1928},
  doi = {10.3133/wsp596d},
  url = {https://pubs.usgs.gov/publication/wsp596D},
  note = {Source identifier: wsp596D}
}