@misc{indiciae2854dd50bb61,
  title = {Geologic map of the Guffey Quadrangle, Park County, Colorado},
  author = {R. A. Wobus and G. R. Scott},
  year = {1979},
  doi = {10.3133/i1180},
  url = {https://pubs.usgs.gov/publication/i1180},
  note = {Source identifier: i1180}
}