Minnesota · MSHA record

Agate Quarry

Cold Spring Granite Company

MSHA operator: Cold Spring Granite Company
Quarry / operation: Agate Quarry
Location: Ortonville, Minnesota
Color families: Multicolor, Red
MSHA ID: 2100013
Reported status: MSHA: Intermittent · Mine ID 2100013
MSHA record details
Agate Quarry
Snapshot: 18 September 2026. Mine source record 2100013 · Look up this ID at MSHA · Status effective 13 November 2024
Regulatory classification; confirm current supply separately.
Mine source record
Record type: Portable operation; physical site unconfirmed

Reported workforce

2 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

Agate

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.