@misc{indiciae85ecf039502b,
  title = {Hydrology of area 9, Eastern Coal Province, West Virginia},
  author = {Theodore A. Ehlke and Gerald S. Runner and Sanford C. Downs},
  year = {1982},
  doi = {10.3133/ofr81803},
  url = {https://pubs.usgs.gov/publication/ofr81803},
  note = {Source identifier: ofr81803}
}