@misc{indiciae10d8fcc769a7,
  title = {Availability of low-sulphur coal in Wyoming County, West Virginia},
  author = {Kenneth John Englund},
  year = {1972},
  doi = {10.3133/ofr72112},
  url = {https://pubs.usgs.gov/publication/ofr72112},
  note = {Source identifier: ofr72112}
}