Madison Slate Quarry
MSHA Mine ID: 2402605
Material Type
Dimension Limestone
Mine Type
Surface
Classification Confidence
95% (HIGH)
Location Status
VERIFIED
Operator Information
Operator
Ironside Stone Works, Inc.
Controller
Bridget A Korpi; Adam R Korpi
Employees
2
Location
County: Fergus
State: MT
Country: US
Data Source
US_MSHA
Snapshot: 2026-01-30
Classification: vv1
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