@misc{indiciae19052f01dd45,
  title = {Geologic cross section C-C' through the Appalachian basin from Erie County, north-central Ohio, to the Valley and Ridge province, Bedford County, south-central Pennsylvania},
  author = {Robert T. Ryder and Michael H. Trippi and Christopher S. Swezey and Robert D. Crangle and Rebecca S. Hope and Elisabeth L. Rowan and Erika E. Lentz},
  year = {2012},
  doi = {10.3133/sim3172},
  url = {https://pubs.usgs.gov/publication/sim3172},
  note = {Source identifier: sim3172}
}