Minnesota · MSHA record

Iridian Quarry

Cold Spring Granite Company

MSHA operator: Cold Spring Granite Company
Source name: IRIDIAN QUARRY
Quarry / operation: IRIDIAN QUARRY
Location: Isle, Minnesota
Color families: Gray, White
MSHA ID: 2100752
Reported status: MSHA: Intermittent · Mine ID 2100752
MSHA record details
IRIDIAN QUARRY
Snapshot: 18 September 2026. Mine source record 2100752 · Look up this ID at MSHA · Status effective 20 April 2017
Regulatory classification; confirm current supply separately.
Mine source record
Record type: Quarry / mining operation

Reported workforce

6 workers in this MSHA record

MSHA’s NO_EMPLOYEES field comes from the Mine Information Form. The snapshot is dated 18 Sept 2026; it does not give this field a reporting-period date. These are mine-record figures, not current company headcounts or proof of production.

MSHA field definitions Explore Coldspring

Register classification

Architectural producer

Curated group: Coldspring

A research classification, separate from MSHA operating status.

Related material listings

Iridian®

Confirm before specifying

Ask the supplier about current availability, material range, fabrication and test data for your application. A listing or MSHA status does not establish supply readiness.

Look up this mine ID at MSHA

MSHA snapshot dated 18 September 2026. Company names identify operators, not verified parent-company ownership.