Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Illinois Limestone Columbia 13RB39 27194 y Front Face (South) Dscf0481.jpg
No 13RB39 is:

Description
light gray
fine grain
porous
fossiliferous-bearing
Lower carboniferous


Picture of the Archive Stone:
/archive/front/13rb39.jpg		 Actual Picture from the Stone Wall: /mid2000/13rb39.jpg (63575 bytes)