@misc{indiciae661a7a398ac0,
  title = {Coal geology of the Castleman coal field, Garrett County, Maryland},
  author = {Paul C. Lyons and Edwin F. Jacobsen and Bryan K. Scott},
  year = {1985},
  doi = {10.3133/coal98},
  url = {https://pubs.usgs.gov/publication/coal98},
  note = {Source identifier: coal98}
}