@misc{indiciae4852ecdbfef4,
  title = {Subsidence from underground mining; environmental analysis and planning considerations},
  author = {Fitzhugh T. Lee and John F. Abel},
  year = {1983},
  doi = {10.3133/cir876},
  url = {https://pubs.usgs.gov/publication/cir876},
  note = {Source identifier: cir876}
}