Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Sandstone Center Bridge 6RB6 25836/2 y Front Face (South) Dscf0105.jpg
No 6RB6 is:

Description

purplish-gray
fine grain
compact
Triassic


Picture of the Archive Stone:
/archive/front/6rb6.jpg
Actual Picture from the Stone Wall: /mid2000/6rb6.jpg (63575 bytes)