Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Illinois Dolomite Chicago 12RA3 29642/2 n n Front Face (South) Dscf0444.jpg
No 12RA3 is:

Description

light gray
fine grain
compact
Upper Silurian


ARCHIVE STONE NOT AVAILABLE

Actual Picture from the Stone Wall: /mid2000/12ra3.jpg (63575 bytes)