Pipestone Quarry

MSHA Mine ID: 2401992

Material Type

Dimension Basalt

Mine Type

Surface

Classification Confidence

95% (HIGH)

Location Status

VERIFIED

Location

45.870833, -112.0975

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Operator Information

Operator

Pipestone Quarry, LLC

Controller

Washington Companies

Employees

7

Location

County: Jefferson

State: MT

Country: US

Data Source

US_MSHA

Snapshot: 2026-01-30

Classification: vv1

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