| Wall Number Sort descending | Country | State | Classification | Source | 
|---|---|---|---|---|
| 12LB2 | United States | North Carolina | Dolomite | Nottla | 
| 13RB17 | United States | Vermont | Marble | W. Rutland | 
| 13RB18 | United States | Vermont | Marble | W. Rutland | 
| 14Lb40 | United States | Pennsylvania | Marble | Bridgeport | 
| 7RA14 | United States | Pennsylvania | Limestone | Connellsville |