SANDT QUARRY
MSHA Mine ID: 3609215
Material Type
Crushed, Broken Slate
Mine Type
Surface
Classification Confidence
95% (HIGH)
Location Status
VERIFIED
Operator Information
Operator
BOB JOHNSON FLAGSTONE INC
Controller
Robert J Johnson Sr
Employees
8
Location
County: Bradford
State: PA
Country: US
Data Source
US_MSHA
Snapshot: 2026-01-30
Classification: vv1
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