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Stone description: Lower carboniferous
| Wall Number | Country | State Sort descending | Classification | Source |
|---|---|---|---|---|
| 5LA9 | United States | Ohio | Sandstone | Piketon |
| 9RA21 | United States | Ohio | Sandstone | Monclava |
| 5LB1 | United States | Ohio | Sandstone | N. Hampton |
| 9RA22 | United States | Ohio | Sandstone | Newark |
| 7RB19 | United States | Ohio | Sandstone | Amherst |
| 5LB2 | United States | Ohio | Sandstone | Newburgh |
| 7RB20 | United States | Ohio | Sandstone | Independence |
| 5LB5 | United States | Ohio | Sandstone | Newburgh |
| 5LB6 | United States | Ohio | Sandstone | Newark |
| 5LB7 | United States | Ohio | Sandstone | N. Bloomfield |
| 9RB20 | United States | Ohio | Sandstone | Harmer |
| 5RA10 | United States | Ohio | Sandstone | Berea |
| 8LA20 | United States | Ohio | Sandstone | Portsmouth |
| 5RA11 | United States | Ohio | Sandstone | Lithopolis |
| 5RA12 | United States | Ohio | Sandstone | Euclid |
| 8LB20 | United States | Ohio | Sandstone | Berea |
| 5RA16 | United States | Ohio | Sandstone | Leesville |
| 5RA18 | United States | Ohio | Sandstone | E. Cleveland |
| 5RA19 | United States | Ohio | Sandstone | Mansfield |
| 5RA2 | United States | Ohio | Sandstone | Iberia |
| 5RA4 | United States | Ohio | Sandstone | Buena Vista |
| 8RA20 | United States | Ohio | Sandstone | Elyria |
| 5RA6 | United States | Ohio | Sandstone | Howard Station Knox Co. |
| 8RA21 | United States | Ohio | Sandstone | Brooklyn |
| 5RA8 | United States | Ohio | Sandstone | Greenfield |
| 8RB20 | United States | Ohio | Sandstone | Middleburg Twp. Cuyahoga Co. |
| 5RA9 | United States | Ohio | Sandstone | Belleville |
| 8RB21 | United States | Ohio | Sandstone | Amherst |
| 5RB1 | United States | Ohio | Sandstone | Amherst |
| 5RB3 | United States | Ohio | Sandstone | Bedford |
| 9LA21 | United States | Ohio | Sandstone | Lancaster |
| 5RB5 | United States | Ohio | Sandstone | Brownhelm |
| 9LA22 | United States | Ohio | Sandstone | Logan |
| 5RB8 | United States | Ohio | Sandstone | Independence |
| 13LA40 | United States | Ohio | Limestone | Newtonville |
| 6LA20 | United States | Ohio | Sandstone | Newark |
| 5LA1 | United States | Ohio | Sandstone | Mt. Gilead |
| 5LA10 | United States | Ohio | Sandstone | Sunbury |
| 6LB20 | United States | Ohio | Sandstone | Sunbury |
| 7RA14 | United States | Pennsylvania | Limestone | Connellsville |
| 6La8 | United States | Pennsylvania | Sandstone | Altoona |