Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Illinois Limestone Breese 12RB4 25661 y Front Face (South) Dscf0444.jpg
No 12RB4 is:

Description
dark gray
fine grain
compact
fossiliferous
Lower carboniferous


Picture of the Archive Stone:
/archive/front/12rb4.jpg		 Actual Picture from the Stone Wall: /mid2000/12rb4.jpg (63575 bytes)