@misc{indiciae7986ccf03ade,
  title = {Geologic map of Precambrian rocks of the Hartville Uplift, southeastern Wyoming, with a section on mineral deposits in the Hartville Uplift},
  author = {Terry L. Klein},
  year = {1999},
  doi = {10.3133/i2661},
  url = {https://pubs.usgs.gov/publication/i2661},
  note = {Source identifier: i2661}
}