@misc{indiciaec6eba32356e0,
  title = {Geology and coal resources of the Cannel City quadrangle, Kentucky},
  author = {Kenneth John Englund},
  year = {1955},
  doi = {10.3133/b1020a},
  url = {https://pubs.usgs.gov/publication/b1020A},
  note = {Source identifier: b1020A}
}