@misc{indiciae5b89b0c402f4,
  title = {Geologic and structure contour map of the Basin-Greybull area, Big Horn County, Wyoming},
  author = {William Gamewell Pierce},
  year = {1948},
  doi = {10.3133/om77},
  url = {https://pubs.usgs.gov/publication/om77},
  note = {Source identifier: om77}
}