@misc{indiciae885ced05e12e,
  title = {Geochronology and geology of late Oligocene through Miocene volcanism and mineralization in the western San Juan Mountains, Colorado},
  author = {Dana J. Bove and Ken Hon and Karin E. Budding and John F. Slack and Lawrence W. Snee and Ross A. Yeoman},
  year = {2001},
  doi = {10.3133/pp1642},
  url = {https://pubs.usgs.gov/publication/pp1642},
  note = {Source identifier: pp1642}
}