@misc{indiciae3ffffb2427b8,
  title = {Descriptions of core from three U.S. Geological Survey core holes in Carboniferous rocks of West Virginia},
  author = {Stanley P. Schweinfurth and Harold H. Arndt and Kenneth John Englund},
  year = {1976},
  doi = {10.3133/ofr76159},
  url = {https://pubs.usgs.gov/publication/ofr76159},
  note = {Source identifier: ofr76159}
}