@misc{indiciae459ae9863b52,
  title = {Effects of surface coal mining and reclamation on the geohydrology of six small watersheds in west-central Indiana},
  author = {Jeffrey D. Martin and Richard F. Duwelius and Charles G. Crawford},
  year = {1987},
  doi = {10.3133/ofr87210},
  url = {https://pubs.usgs.gov/publication/ofr87210},
  note = {Source identifier: ofr87210}
}