TY  - RPRT
TI  - Preliminary geologic and vein maps of part of the Central City district, Gilpin and Clear Creek Counties, Colorado
AU  - P.K. Sims
AU  - Avery Ala Drake
AU  - Robert Hadley Moench
PY  - 1954
DO  - 10.3133/ofr54285
UR  - https://pubs.usgs.gov/publication/ofr54285
ID  - ofr54285
ER  -