Montana · Lewis and Clark County
Prospect
Butterfly Mine
Lewis and Clark County, Montana, United States
Copper
⌖ Show on map
USGS source ↗
Commodities
Primary
Copper
Commodity type
M
Economic & production
Development status
Prospect
Identification
Deposit ID
10270339
MRDS ID
FS00291
Region
NA
Data score
E
Coordinates
46.8791, -112.5906