| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Pennsylvania | Gneiss | Reading | 7RB17 | 26470 | n | Front Face (South) | Dscf0235.jpg |
Description |
| gray |
| coarse grain |
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No 7RB17 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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