@misc{indiciae7e543c81243c,
  title = {Colorado quartz: Occurrence and discovery},
  author = {D. E. Kile and P.J. Modreski and D.L. Kile},
  year = {2016},
  doi = {10.1080/00357529.1991.11761644},
  url = {https://pubs.usgs.gov/publication/70016534},
  note = {Source identifier: 70016534}
}