@misc{indiciae2ef1ea8b95f4,
  title = {Geochemistry of natural waters of the Blue Grass region, Kentucky},
  author = {G. E. Hendrickson and Robert A. Krieger},
  year = {1964},
  doi = {10.3133/wsp1700},
  url = {https://pubs.usgs.gov/publication/wsp1700},
  note = {Source identifier: wsp1700}
}