Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Argillite (Slate) Slatington 7LA17 25993 y Front Face (South) Dscf0133.jpg
No 7LA17 is:

Description
blue-black
fine grain
roofing and tile slate


Picture of the Archive Stone:
/archive/front/7la17.jpg		 Actual Picture from the Stone Wall: /mid2000/7la17.jpg (63575 bytes)