@misc{indiciae70a5e7425186,
  title = {Beryl-bearing pegmatite, Larimer County, Colorado},
  author = {J.B. Hanley and R. Miller},
  year = {1944},
  doi = {10.3133/ofr4465},
  url = {https://pubs.usgs.gov/publication/ofr4465},
  note = {Source identifier: ofr4465}
}