Knapps Mine
MSHA Mine ID: 3609766
Material Type
Dimension Sandstone
Mine Type
Surface
Classification Confidence
95% (HIGH)
Location Status
VERIFIED
Operator Information
Operator
Ron Onufry Flagstone
Controller
Ronald Francis Onufry
Location
County: Mckean
State: PA
Country: US
Data Source
US_MSHA
Snapshot: 2026-01-30
Classification: vv1
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