@misc{indiciae89dcbdee83b2,
  title = {Pegmatites of the Crystal Mountain district, Larimer County, Colorado},
  author = {W. R. Thurston},
  year = {1955},
  doi = {10.3133/b1011},
  url = {https://pubs.usgs.gov/publication/b1011},
  note = {Source identifier: b1011}
}