@misc{indiciaebf9123a32868,
  title = {Quality of surface waters of the United States, 1942},
  author = {W. D. Collins and S. K. Love},
  year = {1944},
  doi = {10.3133/wsp950},
  url = {https://pubs.usgs.gov/publication/wsp950},
  note = {Source identifier: wsp950}
}