| Wall Number Sort descending | Country | State | Classification | Source |
|---|---|---|---|---|
| 9RA7 | United States | Vermont | Marble | W. Rutland |
| 9RB11 | United States | Iowa | Limestone | Givin |
| 9RB13 | United States | Iowa | Limestone | Conrad |
| 9RB2 | United States | Tennessee | Marble | Knoxville |
| 9RB20 | United States | Ohio | Sandstone | Harmer |
| 9RB27 | United States | New York | Sandstone | Potsdam |
| 9RB3 | United States | Tennessee | Marble | Knoxville |
| 9RB32 | United States | Missouri | Sandstone | Meadville |
| S2-48 | United States | New Hampshire | Granite | Concord |
| S2-67 | United States | North Carolina | Granite | Salisbury |
| S3-1 | United States | Indiana | Limestone | Bedford |
| S3-2 | United States | Indiana | Limestone | Bedford |