@misc{indiciae2eab97613ea0,
  title = {Geologic maps of fossil localities in southeastern Pennsylvania Jan. 18, 1949},
  author = {George W. Stose},
  year = {1949},
  doi = {10.3133/ofr4948},
  url = {https://pubs.usgs.gov/publication/ofr4948},
  note = {Source identifier: ofr4948}
}