| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Montana | Granite | Lewis & Clark Co. | 7LB41 | 2708? | n | Front Face (South) | DSCF0223.jpg |
Description |
| gray |
| medium grain |
| porphyritic |
| biotite |
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No 7LB41 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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