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Stone description: brownish-gray
| Wall Number Sort descending | Country | State | Classification | Source |
|---|---|---|---|---|
| 10LA6 | United States | Tennessee | Limestone | Nolensville Pike |
| 12LB30 | United States | Pennsylvania | Marble | Avondale |
| 1R3 | United States | Connecticut | Granite | Mystic Bridge |
| 6L48 | United States | North Carolina | Sandstone | Raleigh |
| 6LB8 | United States | Pennsylvania | Sandstone | Webster |
| 6R48 | United States | North Carolina | Sandstone | Raleigh |
| 6RA24 | United States | North Carolina | Granite | Salisbury |
| 7Lb19 | United States | Ohio | Sandstone | Portsmouth |
| 9LA25 | United States | North Carolina | Sandstone | Raleigh |
| 9LA26 | United States | North Carolina | Sandstone | Raleigh |
| 9RA24 | United States | North Carolina | Sandstone | Raleigh |
| 9RA25 | United States | North Carolina | Sandstone | Raleigh |
| S1-28 | United States | Unknown | Granite | Unknown |