Wall Number | Country | State | Classification Sort descending | Source |
---|---|---|---|---|
4B | United States | Massachusetts | Granite | Milford |
6LB33 | United States | Colorado | Sandstone | Buckhorn |
8LA33 | United States | Colorado | Sandstone | Buckhorn |
9RA44 | United States | Iowa | Sandstone | Davenport |
10RA2 | United States | Washington | Marble | Lincoln Co. |
14LA36 | Austria | Marble | Castione |