@misc{indiciae467161a1bef2,
  title = {Geologic map of the Cochetopa Park and North Pass Calderas, northeastern San Juan Mountains, Colorado},
  author = {Peter W. Lipman},
  year = {2012},
  doi = {10.3133/sim3123},
  url = {https://pubs.usgs.gov/publication/sim3123},
  note = {Source identifier: sim3123}
}