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Stone description: semicrystalline
| Wall Number | Country | State Sort descending | Classification | Source |
|---|---|---|---|---|
| 12LA37 | United States | Alabama | Limestone | Trinity |
| 8LA12 | United States | Illinois | Limestone | Kinderhook |
| 12La13 | United States | Kentucky | Dolomite | Lincoln Co. |
| 13LA43 | United States | Kentucky | Limestone | Grahampton |
| 13LB43 | United States | Kentucky | Limestone | Litchfield |
| 13RB44 | United States | Kentucky | Limestone | Frankfort |
| 10La21 | United States | Missouri | Limestone | Springfield |
| 10RB6 | United States | Missouri | Limestone | Bear Creek Marion Co. |
| 10RB7 | United States | Missouri | Limestone | Hannibal |
| 11RA21 | United States | Missouri | Limestone | St. Louis |
| 12LB15 | United States | Missouri | Limestone | Hannibal |
| 9Lb5 | United States | Oklahoma | Limestone | Cherokee |
| 13RB27 | United States | Colorado | Limestone | Morrison |