@misc{indiciae94b0c16024e1,
  title = {Water quality . . . potential sources of pollution},
  author = {Stephen Vandas and Frank Farrar},
  year = {1996},
  doi = {10.3133/70047745},
  url = {https://pubs.usgs.gov/publication/70047745},
  note = {Source identifier: 70047745}
}