Wall Number | Country | State | Classification Sort descending | Source |
---|---|---|---|---|
10LA39 | Mexico | Sandstone | Guanajuato State | |
10RA30 | Mexico | Sandstone | Guanajuato State | |
5LA4 | United States | Ohio | Sandstone | Norwalk |
6LA6 | United States | Pennsylvania | Sandstone | Scottsdale |
9RB18 | United States | Pennsylvania | Sandstone | Scottsdale |
10LA40 | Mexico | Tuff | Zacatecas State |