@misc{indiciae4e3b374c2b77,
  title = {Availability of low-sulphur coal in Kanawha County, West Virginia},
  author = {Donald G. Hadley},
  year = {1972},
  doi = {10.3133/ofr72149},
  url = {https://pubs.usgs.gov/publication/ofr72149},
  note = {Source identifier: ofr72149}
}