@misc{indiciae66d59b4c75d8,
  title = {Geologic map of the Crumpler quadrangle, West Virginia},
  author = {Gary D. Stricker},
  year = {1981},
  doi = {10.3133/gq1547},
  url = {https://pubs.usgs.gov/publication/gq1547},
  note = {Source identifier: gq1547}
}