@misc{indiciaeff0758805b63,
  title = {Quality of surface waters of the United States, 1957, Parts 7 and 8, lower Mississippi River basin and western Gulf of Mexico basins},
  author = {S. K. Love},
  year = {1961},
  doi = {10.3133/wsp1522},
  url = {https://pubs.usgs.gov/publication/wsp1522},
  note = {Source identifier: wsp1522}
}