@misc{indiciae4918404be9af,
  title = {Thrust fault zones in the Allegheny Plateau of north-central Pennsylvania},
  author = {Howard A. Pohn and Terri L. Purdy},
  year = {1979},
  doi = {10.3133/ofr791604},
  url = {https://pubs.usgs.gov/publication/ofr791604},
  note = {Source identifier: ofr791604}
}