Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Sandstone Pond Eddy 9LA20 27015 y Front Face (South) Dscf0302.jpg
No 9LA20 is:

Description

dark blue gray
fine grain
compact
Devonian


Picture of the Archive Stone:
/archive/front/9la20.jpg
Actual Picture from the Stone Wall: /mid2000/9la20.jpg (63575 bytes)