@misc{indiciae1a4b1c33e330,
  title = {Geologic map of the Clark Peak quadrangle, Jackson and Larimer Counties, Colorado},
  author = {Karl S. Kellogg and Chester A. Ruleman and Ralph R. Shroba and William A. Braddock},
  year = {2008},
  doi = {10.3133/sim3010},
  url = {https://pubs.usgs.gov/publication/sim3010},
  note = {Source identifier: sim3010}
}