Quarry source record
Black Quarry (producer description)
- Operator
- Sheldon Slate Products
- Locality
- Monson, Maine
- Operating record
- Current extraction under review
- Coordinates
- Exact location under review
Independent source checks
- U.S. material origin
- VERIFIED
- Material identity
- VERIFIED
- Producer relationship
- VERIFIED
- Quarry relationship
- VERIFIED
- Quarry location
- REVIEW
- Operating record
- REVIEW
- Photo source
- REVIEW
- Photo permission
- PENDING
- Technical data
- REVIEW
Each check stands on its own. A photo or coordinate review does not change a confirmed material identity or producer relationship. Operating records do not guarantee current inventory.