Montana · Jefferson County
Past Producer

Dewey Tunnels

Jefferson County, Montana, United States
ManganeseSilverLead
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
TertiarySilver, Lead
Commodity typeM
Economic & production
Development statusPast Producer
Identification
Deposit ID10294448
RegionNA
Data scoreD
Coordinates46.3716, -112.16088
References
USGS PP 428 1963, P. 75, & PLATE # 1, LOCATION # 55