American stone for architects and designers.

Granite · Minnesota

Lake Superior Green®

Coldspring

Lake Superior Green®: Polished finish.
Ask about this stone

Quarried can help with material selection, fabrication options and producer introductions.

Colors
Green

Origin evidence

Extraction country
USA — verified[1][2][3][4][5][6]
Extraction state
Minnesota — verified[1][2][3][4][5][6]
Quarry / operator
Coldspring / Cold Spring Granite Company (producer range; individual quarry unconfirmed)[1][2][3][4][5]
MSHA Mine ID
2103124 (historical association)[5][6]
Sources (6)
  1. Source 1 · extraction country, extraction state, quarry / operator
  2. Source 2 · extraction country, extraction state, quarry / operator
  3. Source 3 · extraction country, extraction state, quarry / operator
  4. Source 4 · extraction country, extraction state, quarry / operator
  5. Source 5 · extraction country, extraction state, quarry / operator, msha mine id
  6. Source 6 · extraction country, extraction state, msha mine id

MSHA: Abandoned · Historical mine ID 2103124

Historical regulatory status; confirm current material availability with the producer.

MSHA record details

Lake Superior Green

Snapshot: 25 September 2026. Mine source record 2103124 · Look up this ID at MSHA · Status effective 1 June 2026

Regulatory classification; confirm current supply separately.

Documented historical association; confirm the current supplying quarry.

Association reviewed: 29 September 2026
Mine source record

More granite from Minnesota