Rockville Plant
MSHA Mine ID: 1800636
Material Type
Crushed, Broken Granite
Mine Type
Facility
Classification Confidence
95% (HIGH)
Location Status
VERIFIED_AMBIGUOUS
Operator Information
Operator
H B Mellott Estate Inc
Controller
Jonathan Schilowitz
Location
County: Montgomery
State: MD
Country: US
Data Source
US_MSHA
Snapshot: 2026-01-30
Classification: vv1
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