Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Gneiss Chester 7LB17 25407 y Front Face (South) Dscf0133.jpg
No 7LB17 is:

Description

dark gray
fine grain
biotite


Picture of the Archive Stone:
/archive/front/7lb17.jpg
Actual Picture from the Stone Wall: /mid2000/7lb17.jpg (63575 bytes)