Idaho · MSHA record
Walnut Travertine Quarry
Idaho Travertine Corp
Historical permit. Kept separately from the 813 records in the main MSHA register.
- MSHA operator
- Idaho Travertine Corp
- Quarry / operation
- Walnut Travertine Quarry
- Location
- Dubois, Idaho
- Color families
- Cream / buff, White
- MSHA ID
- 1002005
- Reported status
- Abandoned · since 05/12/2003MSHA snapshot: 18 Sept 2026
- Record type
- Quarry / mining operation
Historical record context
Register material reference: Continental Buff, Yellowstone Frost (Yellowstone Rock)
Register v0.7 · Notable closures; MSHA snapshot 2026-09-18
Explore permit history in IdahoRelated material listings
Continental Buff, Yellowstone FrostConfirm before specifying
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MSHA snapshot dated 18 Sept 2026. Company names identify operators, not verified parent-company ownership.