| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Iowa | Dolomite | Farley | 13RB16 | 25898 | y | Front Face (South) | Dscf0464.jpg |
Description |
| light gray |
| fine grain |
| porous |
| Niagara |
| ||||||||||||||||||||
No 13RB16 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
| ||||||||||||||||||