TY  - RPRT
TI  - Paragenesis and structure of pitchblende-bearing veins, Central City district, Gilpin County, Colorado
AU  - Paul Kibler Sims
PY  - 1956
DO  - 10.3133/tei433
UR  - https://pubs.usgs.gov/publication/tei433
ID  - tei433
ER  -