@misc{indiciaeb5bef78692ff,
  title = {Geologic map of the Mount Sherman 7.5' quadrangle, Lake and Park Counties, Colorado},
  author = {Robert G. Bohannon and Chester A. Ruleman},
  year = {2013},
  doi = {10.3133/sim3271},
  url = {https://pubs.usgs.gov/publication/sim3271},
  note = {Source identifier: sim3271}
}