| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Texas | Granite | Nr. Llano | 6RB31 | 63434B | n | Front Face (South) | Dscf0114.jpg |
Description |
| gray |
| coarse grain |
| biotite |
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No 6RB31 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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