@misc{indiciaed8efd3c8f6b7,
  title = {Geology and mineral deposits of the Snowmass Mountain area, Gunnison County, Colorado},
  author = {John W. Vanderwilt},
  year = {1937},
  doi = {10.3133/b884},
  url = {https://pubs.usgs.gov/publication/b884},
  note = {Source identifier: b884}
}