TY  - RPRT
TI  - Report of factual data obtained during examination of Copper King shaft, Black Hawk Claim No. 1, Larimer County, Colorado
AU  - Harry C. Granger
AU  - R.U. King
PY  - 1950
DO  - 10.3133/tem128
UR  - https://pubs.usgs.gov/publication/tem128
ID  - tem128
ER  -