Backus
MSHA Mine ID: 2402428
Material Type
Dimension Sandstone
Mine Type
Surface
Classification Confidence
95% (HIGH)
Location Status
VERIFIED
Operator Information
Operator
RPO Stone Inc
Controller
Robert P Orr
Location
County: Lincoln
State: MT
Country: US
Data Source
US_MSHA
Snapshot: 2026-01-30
Classification: vv1
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