Montana · Madison County
Occurrence
Pony Vermiculite
Madison County, Montana, United States
Vermiculite
⌖ Show on map
USGS source ↗
Commodities
Primary
Vermiculite
Commodity type
N
Economic & production
Development status
Occurrence
Identification
Deposit ID
10294318
Region
NA
Data score
D
Coordinates
45.7221, -111.91756
References
USBM MRB REP 73, 1952, P D-7.