| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Illinois | Dolomite | Lemont | 13RA2 | 26527/1 n | y | Front Face (South) | Dscf0452.jpg |
Description |
| light gray |
| fine grain |
| compact |
| Upper Silurian |
| ||||||||||||||||||||
No 13RA2 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
| ||||||||||||||||||