@misc{indiciae6435e245cfd8,
  title = {2000 resource assessment of selected coal beds and zones in the Northern and Central Appalachian Basin coal regions},
  author = {Northern and Central Appalachian Basin Coal Regions Assessment Team},
  year = {2001},
  doi = {10.3133/pp1625c},
  url = {https://pubs.usgs.gov/publication/pp1625C},
  note = {Source identifier: pp1625C}
}