@misc{indiciae0aa4d49f98f8,
  title = {Quality of surface waters of the United States, 1960 parts 7 and 8, lower Mississippi river basin and western gulf of Mexico basins},
  author = {S. K. Love},
  year = {1968},
  doi = {10.3133/wsp1744},
  url = {https://pubs.usgs.gov/publication/wsp1744},
  note = {Source identifier: wsp1744}
}