@misc{indiciaedbd645a785b9,
  title = {National Water-Quality Assessment program; Ozark Plateaus},
  author = {D.A. Freiwald},
  year = {1991},
  doi = {10.3133/ofr91162},
  url = {https://pubs.usgs.gov/publication/ofr91162},
  note = {Source identifier: ofr91162}
}