@misc{indiciaeec7673921661,
  title = {Assessment and comparison of 1976-77 and 2002 water quality in mineshafts in the Picher Mining District, northeastern Oklahoma and southeastern Kansas},
  author = {Kelli L. DeHay},
  year = {2003},
  doi = {10.3133/wri034248},
  url = {https://pubs.usgs.gov/publication/wri034248},
  note = {Source identifier: wri034248}
}