@misc{indiciaefae908780a86,
  title = {Fold patterns, lateral ramps and seismicity in central Pennsylvania},
  author = {H. A. Pohn and J.L. Coleman},
  year = {1991},
  doi = {10.1016/0040-1951(91)90389-a},
  url = {https://pubs.usgs.gov/publication/70016777},
  note = {Source identifier: 70016777}
}