Spencer Quarry
MSHA Mine ID: 3609636
Material Type
Dimension Slate
Mine Type
Surface
Classification Confidence
95% (HIGH)
Location Status
VERIFIED
Operator Information
Operator
Johnson Bros Quarries
Controller
Daniel E Johnson; Donald E Johnson Jr
Location
County: Susquehanna
State: PA
Country: US
Data Source
US_MSHA
Snapshot: 2026-01-30
Classification: vv1
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