SWENSON GRAY QUARRY

MSHA Mine ID: 2700083

Material Type

Dimension Stone NEC

Mine Type

Surface

Classification Confidence

95% (HIGH)

Location Status

VERIFIED

Location

43.237222, -71.564722

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Operator Information

Operator

Swenson Granite Company LLC

Controller

Polycor Inc

Employees

31

Location

County: Merrimack

State: NH

Country: US

Data Source

US_MSHA

Snapshot: 2026-01-30

Classification: vv1

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