@misc{indiciae8fa329b54308,
  title = {Regional stratigraphy and petroleum systems of the Appalachian Basin, North America},
  author = {Christopher S. Swezey},
  year = {2002},
  doi = {10.3133/i2768},
  url = {https://pubs.usgs.gov/publication/i2768},
  note = {Source identifier: i2768}
}