Dolphin Bay Quarry
MSHA Mine ID: 4503251
Material Type
Dimension Traprock
Mine Type
Surface
Classification Confidence
95% (HIGH)
Location Status
VERIFIED
Operator Information
Operator
Dolphin Bay Quarry Inc
Controller
John K Johnson
Employees
2
Location
County: San Juan
State: WA
Country: US
Data Source
US_MSHA
Snapshot: 2026-01-30
Classification: vv1
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