@misc{indiciae6ddaa790b67d,
  title = {Hydrology of area 16, Eastern Coal Province, Virginia-Tennessee},
  author = {Peter W. Hufschmidt},
  year = {1981},
  doi = {10.3133/ofr81204},
  url = {https://pubs.usgs.gov/publication/ofr81204},
  note = {Source identifier: ofr81204}
}