@misc{indiciaee62765773f7f,
  title = {National Water-Quality Assessment Program - Source Water-Quality Assessments},
  author = {Gregory C. Delzer and Pixie A. Hamilton},
  year = {2007},
  doi = {10.3133/fs20073069},
  url = {https://pubs.usgs.gov/publication/fs20073069},
  note = {Source identifier: fs20073069}
}