Wall Number | Country | State | Classification | Source Sort ascending |
---|---|---|---|---|
4RQ | United States | Ohio | Sandstone | Amherst |
8LB1 | Portugal | Marble | Alvrite, Coimbra | |
10LB2 | Portugal | Limestone | Alvito, Coimbra | |
6LB17 | United States | Pennsylvania | Granite | Allentown |
13LB33 | United States | Massachusetts | Marble | Alford |
5LB22 | United States | North Carolina | Gneiss | Alexander |
9Lb39 | United States | Oregon | Diabase | Albany region |
10RB42 | United States | Oregon | Basalt | Albany |
9RA38 | Spain | tuff | Alamazanon | |
7RB14 | Austria | Marble | Adnet | |
7RB5 | Austria | Marble | Adnet | |
6C | United States | Indiana | Limestone | ? |