| Wall Number Sort descending | Country | State | Classification | Source | 
|---|---|---|---|---|
| 10LB27 | United States | North Carolina | Granite | Louisburg | 
| 10RB18 | United States | Virginia | Marble | Craigsville | 
| 12RB30 | United States | New York | Marble | Chazy | 
| 5RA32 | United States | Colorado | Granite | Lawson | 
| 5RB21 | United States | North Carolina | Granite | Toisnot |