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