@misc{indiciaefa90bdffbd14,
  title = {Predicting ground-water movement in large mine spoil areas in the Appalachian Plateau},
  author = {D.R. Wunsch and J.S. Dinger and C.D.R. Graham},
  year = {1999},
  doi = {10.1016/s0166-5162(99)00012-9},
  url = {https://pubs.usgs.gov/publication/70021518},
  note = {Source identifier: 70021518}
}