| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Ohio | Sandstone | Ridgeville | 6RA21 | 25471/2 | y | Front Face (South) | Dscf0110.jpg |
Description |
| buff |
| medium grain |
| porous |
| Lower carboniferous |
| ||||||||||||||||||||
No 6RA21 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
| ||||||||||||||||||