Lake Superior Green

MSHA Mine ID: 2103124

Material Type

Dimension Granite

Mine Type

Surface

Classification Confidence

95% (HIGH)

Location Status

VERIFIED

Location

47.635278, -91.540833

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Operator Information

Operator

Cold Spring Granite Company

Controller

Patrick Alexander; Michael O'Connor

Employees

2

Location

County: Lake

State: MN

Country: US

Data Source

US_MSHA

Snapshot: 2026-01-30

Classification: vv1

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