Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Argillite (Slate) Lynnport 10L51   n Front Face (South) DSCF0330.jpg
No 10L51 is:

Description
cut from same block as 10LB18
dark gray
fine grain
slate


ARCHIVE STONE NOT AVAILABLE

 Actual Picture from the Stone Wall: /mid2000/10l51.jpg (63575 bytes)