@misc{indiciaec48224099cb7,
  title = {Depositional dip-oriented cross-section through the Lower Silurian "Clinton" sands and Medina Group in northeastern Ohio and western Pennsylvania},
  author = {C. W. Keighin},
  year = {1998},
  doi = {10.3133/ofr98500},
  url = {https://pubs.usgs.gov/publication/ofr98500},
  note = {Source identifier: ofr98500}
}