@misc{indiciae922d309fc57d,
  title = {Geologic framework for the coal-bearing rocks of the Central Appalachian Basin},
  author = {D.R. Chesnut},
  year = {1996},
  doi = {10.1016/s0166-5162(96)00011-0},
  url = {https://pubs.usgs.gov/publication/70018188},
  note = {Source identifier: 70018188}
}