@misc{indiciae6f41cfcf4af4,
  title = {Geologic map of the east-central part of the Pumpkin Buttes area, Campbell County, Wyoming},
  author = {Max L. Troyer},
  year = {1954},
  doi = {10.3133/ofr54317},
  url = {https://pubs.usgs.gov/publication/ofr54317},
  note = {Source identifier: ofr54317}
}