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Stone description: Lower Silurian
| Wall Number | Country | State | Classification Sort ascending | Source |
|---|---|---|---|---|
| 13RB36 | United States | Pennsylvania | Limestone | N. Annville |
| 14RB47 | United States | Kentucky | Limestone | Bloomfield |
| 13RB37 | United States | Pennsylvania | Limestone | Myerstown |
| 14RB6 | United States | New York | Limestone | Amsterdam |
| 11RA28 | United States | Tennessee | Limestone | Nashville |
| 13RB6 | United States | New York | Limestone | Willsborough |
| 14LB8 | United States | New York | Limestone | S. Glenn Falls |
| 13RA37 | United States | Pennsylvania | Limestone | Richland Station Lebanon Co. |
| 13RB8 | United States | Pennsylvania | Limestone | Morrell |
| 14LB9 | United States | Pennsylvania | Limestone | Flourtown |
| 12RB24 | United States | Tennessee | Limestone | Lebanon Pike |
| 7La12 | United States | Pennsylvania | Limestone | Hummelstown |
| 8LB17 | United States | Pennsylvania | Limestone | Richland Station Lebanon Co. |
| 13LB16 | United States | Iowa | Limestone | Decorah |
| 14RA27 | United States | Tennessee | Limestone | Nashville |
| 7La13 | United States | Pennsylvania | Limestone | East Conshohocken |