Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Sandstone Cannonsburgh 6RB7 25845 y Front Face (South) Dscf0106.jpg
No 6RB7 is:

Description

light gray
fine grain
porous
carboniferous


Picture of the Archive Stone:
/archive/front/6rb7.jpg
Actual Picture from the Stone Wall: /mid2000/6rb7.jpg (63575 bytes)