Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Gneiss Chester 7Lb18 25404 y Front Face (South) Dscf0134.jpg
No 7LB18 is:

Description

gray
coarse grain
biotite


Picture of the Archive Stone:
/archive/front/7lb18.jpg
Actual Picture from the Stone Wall: /mid2000/7lb18.jpg (63575 bytes)