@misc{indiciaeb6e5c66b6465,
  title = {Paleotectonic investigations of the Pennsylvanian system in the United States, Part III: Plates},
  author = {Edwin D. McKee and Eleanor J. Crosby},
  year = {1975},
  doi = {10.3133/pp8533},
  url = {https://pubs.usgs.gov/publication/pp8533},
  note = {Source identifier: pp8533}
}