| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Pennsylvania | Quartz | Pine Grove | 6La19 | 26382 | n | Front Face (South) | Dscf0119.jpg |
Description |
| dull-red |
| coarse grainy |
| quartz porphyry |
| ||||||||||||||||||||
No 6LA19 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
| ||||||||||||||||||