| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Ohio | Limestone | Zanesville | 12LB31 | 25535 | y | Front Face (South) | Dscf0418.jpg |
Description |
| dark |
| fine grain |
| compact |
| fossiliferous |
| carboniferous |
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No 12LB31 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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