Wall Number | Country | State Sort descending | Classification | Source |
---|---|---|---|---|
14RB42 | United States | Maryland | Marble | Frederick |
6RB12 | United States | Pennsylvania | Conglomerate | Pikesville |
9Lb20 | United States | Pennsylvania | Conglomerate | Fairfield |
10Ra48 | United States | Tennessee | Gneiss | Wolf Creek Cocke Co. |