@misc{indiciae8ff9c275543f,
  title = {Preliminary geologic map of Guide Rock 7.5 minutes Quadrangle, Wyoming},
  author = {George L. Snyder},
  year = {1984},
  doi = {10.3133/ofr84358i},
  url = {https://pubs.usgs.gov/publication/ofr84358I},
  note = {Source identifier: ofr84358I}
}