| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Colorado | Tuff | Castle rock | 6rb33 | 25786 | y | Front Face (South) | Dscf0114.jpg |
Description |
| light gray |
| fine grain |
| rhyolite |
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No 6RB33 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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