@misc{indiciae0a692576fb62,
  title = {Chemical quality of water in abandoned zinc mines in northeastern Oklahoma and southeastern Kansas},
  author = {Stephen J. Playton and Robert Ellis Davis and Roger G. McClaflin},
  year = {1978},
  doi = {10.3133/ofr78294},
  url = {https://pubs.usgs.gov/publication/ofr78294},
  note = {Source identifier: ofr78294}
}