| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Pennsylvania | Diabase | St. Peters | 6RB10 | 87798 | y | Front Face (South) | Dscf0107.jpg |
Description |
| dark gray |
| medium grain |
| compact |
| "St Peters Granite" |
| ||||||||||||||||||||
No 6RB10 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
| ||||||||||||||||||