| Wall Number Sort descending | Country | State | Classification | Source |
|---|---|---|---|---|
| 11LB26 | United States | Iowa | Sandstone | Lewis |
| 11RA20 | United States | Texas | Marble | San Saba |
| 11RB3 | United States | Texas | Limestone | Austin |
| 12LA4 | United States | Texas | Limestone | Austin |
| 13LA26 | United States | Texas | Limestone | San Saba |
| 13Lb26 | United States | Texas | Limestone | Austin |
| 14Lb27 | United States | Texas | Limestone | Round Rock |
| 7LA31 | United States | Colorado | Sandstone | Fort Collins |
| 7LA41 | United States | Montana | Sandstone | Columbus |
| 8LA43 | United States | Montana | Sandstone | Columbus |
| 8LB43 | United States | Montana | Sandstone | Columbus |
| 8RA43 | United States | Montana | Sandstone | Columbus |
| 8RB42 | United States | Montana | Sandstone | Columbus |
| 8RB43 | United States | Montana | Sandstone | Columbus |