Surprise Hill

MSHA Mine ID: 2402391

Material Type

Construction Sand and Gravel

Mine Type

Surface

Classification Confidence

95% (HIGH)

Location Status

VERIFIED

Location

48.324956, -114.259638

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Operator Information

Operator

Rocky Mountain Rock Inc

Controller

Richard Paul Lewis; Melissa L Lewis

Location

County: Lincoln

State: MT

Country: US

Data Source

US_MSHA

Snapshot: 2026-01-30

Classification: vv1

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