@misc{indiciaec9a9bfa31e94,
  title = {Map of Precambrian and adjacent Phanerozoic rocks of the Hartville Uplift, Goshen, Niobrara, and Platte counties, Wyoming},
  author = {George L. Snyder},
  year = {1980},
  doi = {10.3133/ofr80779},
  url = {https://pubs.usgs.gov/publication/ofr80779},
  note = {Source identifier: ofr80779}
}