Sources & method
Quarry records
Quarry register
2 operations match
Operations connected to material listings
77 records linked to material listings. Open the full register to search every recorded operation, including producers whose stones are not yet catalogued.
Matching records: 2 Active · 0 Intermittent · 0 Temporarily Idled · 0 New Mine
| MSHA ID | Quarry / operation | Operator | State | Status | Employees | Materials |
|---|---|---|---|---|---|---|
| Academy BlackStone NEC | Cold Spring Granite Company | CA | ActiveSince 07/23/1972 | 5 | ||
| Sierra WhiteStone NEC | Cold Spring Granite Company | CA | ActiveSince 02/05/1975 | 8 |