TY  - RPRT
TI  - Colorado quartz: Occurrence and discovery
AU  - D. E. Kile
AU  - P.J. Modreski
AU  - D.L. Kile
PY  - 2016
DO  - 10.1080/00357529.1991.11761644
UR  - https://pubs.usgs.gov/publication/70016534
ID  - 70016534
ER  -