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Stone description: Archaean
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 6RB24 | United States | North Carolina | Granite | Salisbury |
| 10RB19 | United States | North Carolina | Marble | Red Marble Gap |
| 12LB34 | United States | North Carolina | Marble | Nantahala |
| 12LB5 | United States | New York | Marble | South Dover |
| 13RA6 | United States | New York | Marble | Tuckahoe |
| 14LB6 | United States | New York | Marble | Tuckahoe |
| 14LB7 | United States | New York | Marble | Tuckahoe |
| 9LB4 | United States | North Carolina | Marble | Murphy |
| 9RB4 | United States | North Carolina | Marble | Valley Town |
| 12LB2 | United States | North Carolina | Dolomite | Nottla |