@misc{indiciae48924281886d,
  title = {Hydrology and water chemistry of an abandoned surface coal mine, southwestern Henry County, Missouri — 1984-86},
  author = {D. W. Blevins},
  year = {1991},
  doi = {10.3133/wri904047},
  url = {https://pubs.usgs.gov/publication/wri904047},
  note = {Source identifier: wri904047}
}