| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Montana | Sandstone | Columbus | 8RB42 | 75253C | n | Front Face (South) | DSCF0261.jpg |
Description |
| dark gray |
| fine grain |
| porous |
| cretaceous |
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No 8RB42 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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