Wall Number | Country | State Sort descending | Classification | Source |
---|---|---|---|---|
9LB15 | United States | Massachusetts | Marble | Stockbridge |
7La14 | United States | Pennsylvania | Limestone | Wernersville |
13LA9 | United States | Connecticut | Marble | E. Canaan |
14RA11 | United States | Connecticut | Marble | E. Canaan |