Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Dolomite York 10RA11   y Front Face (South) DSCF0344.jpg
No 10RA11 is:

Description

black
fine grain
compact
calcareous
Lower Silurian


ARCHIVE STONE NOT AVAILABLE

Actual Picture from the Stone Wall: /mid2000/10ra11.jpg (63575 bytes)