Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Sandstone Mainesburgh 6RA1 25989 y Front Face (South) Dscf0104.jpg
No 6RA1 is:

Description

blue gray
fine grain
compact
Devonian


Picture of the Archive Stone:
/archive/front/6ra1.jpg
Actual Picture from the Stone Wall: /mid2000/6ra1.jpg (63575 bytes)