@misc{indiciae14d76877e3f7,
  title = {The quality of surface waters in the United States, Part I, Analyses of waters east of the one hundredth meridian},
  author = {Richard B. Dole},
  year = {1909},
  doi = {10.3133/wsp236},
  url = {https://pubs.usgs.gov/publication/wsp236},
  note = {Source identifier: wsp236}
}