| Wall Number Sort descending | Country | State | Classification | Source | 
|---|---|---|---|---|
| 10EE | United States | Ohio | Sandstone | Amherst | 
| S1-13 | United States | Unknown | Granite | Unknown | 
| S1-16 | United States | Maine | Granite | Unknown | 
| S1-17 | United States | Unknown | Granite | Unknown | 
| S2-5 | United States | Missouri | Limestone | Carthage | 
| S2-70 | United States | North Carolina | Granite | Salisbury | 
| S2-85 | United States | Indiana | Limestone | Bedford | 
| S2-86 | United States | Minnesota | Granite | Ortonville |