Arizona · MSHA record
Schist Quarry
Stoneworld Co.
Historical permit. Kept separately from the 813 records in the main MSHA register.
- MSHA operator
- Stoneworld Co.
- Quarry / operation
- Schist Quarry
- Location
- Mayer, Arizona
- Color families
- Not listed
- MSHA ID
- 0203377
- Reported status
- Abandoned · since 03/22/2023MSHA snapshot: 18 Sept 2026
- Record type
- Quarry / mining operation
Historical record context
0Prior source review · MSHA snapshot 18 Sept 2026
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MSHA snapshot dated 18 Sept 2026. Company names identify operators, not verified parent-company ownership.