Big Bertha Mine

Past ProducerQuartz, FeldsparUSGS MRDS

Location

StateColorado
CountyJefferson
Coordinates39.33944, -105.21836

Commodities

PrimaryQuartz, Feldspar
SecondaryThorium, REE

Mine Details

StatusPast Producer
First Production1947
Last Production1953
Data SourceUSGS MRDS
Source ID10101836