Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Limestone Morrell 13RB8 26162 y Front Face (South) Dscf0456.jpg
No 13RB8 is:

Description

dark gray
coarse grain
compact
magnesian
Lower Silurian


ARCHIVE STONE NOT AVAILABLE

Actual Picture from the Stone Wall: /mid2000/13rb8.jpg (63575 bytes)