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Stone description: Lower Silurian
| Wall Number | Country | State | Classification | Source Sort descending |
|---|---|---|---|---|
| 13RB18 | United States | Vermont | Marble | W. Rutland |
| 13RB20 | United States | Vermont | Marble | W. Rutland |
| 10Lb9 | United States | Vermont | Marble | W. Rutland |
| 10RA18 | United States | Vermont | Marble | W. Rutland |
| 9RA7 | United States | Vermont | Marble | W. Rutland |
| 12LB18 | United States | Vermont | Marble | W. Rutland |
| 12LB20 | United States | Vermont | Marble | W. Rutland |
| 7La14 | United States | Pennsylvania | Limestone | Wernersville |
| 7RA16 | United States | Pennsylvania | Limestone | Wernersville |
| 8RB5 | United States | Tennessee | Marble | Whitesburgh |
| 12RB10 | United States | Pennsylvania | Dolomite | Williams's Station Berk's Co. |
| 13RB6 | United States | New York | Limestone | Willsborough |
| 12RB9 | United States | Minnesota | Dolomite | Winona |
| 12RA10 | United States | Pennsylvania | Marble | Wrightsville |
| 14LB10 | United States | Pennsylvania | Marble | York |
| 10RA11 | United States | Pennsylvania | Dolomite | York |