Montana · Madison County
Occurrence

Montana Onyx Mine

Madison County, Montana, United States
Stone
⌖ Show on mapUSGS source ↗
Commodities
PrimaryStone
Commodity typeN
Economic & production
Development statusOccurrence
Identification
Deposit ID10183276
RegionNA
Data scoreD
Coordinates45.0666, -112.34447
References
MBM & G MEM 31, 1950, P6920MI S OF ALDER, SWEETWATER MINING DISTRICTMBM & G MEM 20, 1940, P73MBM & G MEM 15, 1935, P52