| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Pennsylvania | Granite | Siesholtzville | 7RB18 | 76816 | n | Front Face (South) | Dscf0235.jpg |
Description |
| gray-mottled |
| fine grain |
| hornblende-biotite |
| ||||||||||||||||||||
No 7RB18 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
| ||||||||||||||||||