TY  - RPRT
TI  - Pitchblende deposits at the Wood and Calhoun mines, Central City mining district, Gilpin County, Colorado
AU  - Frank R. Moore
AU  - C.R. Butler
PY  - 1952
DO  - 10.3133/cir186
UR  - https://pubs.usgs.gov/publication/cir186
ID  - cir186
ER  -