Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Illinois Limestone Chester 13RB40 25686 y Front Face (South) Dscf0484.jpg
No 13RB40 is:

Description
gray
dark-streaks
medium grain
compact
fossiliferous
Lower carboniferous


Picture of the Archive Stone:
/archive/front/13rb40.jpg		 Actual Picture from the Stone Wall: /mid2000/13rb40.jpg (63575 bytes)