Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Iowa Dolomite Quarry, Marshall Co. 13RB15 25479 y Front Face (South) Dscf0461.jpg
No 13RB15 is:

Description
buff
fine grain
compact
fossiliferous
Sub-carboniferous


Picture of the Archive Stone:
/archive/front/13rb15.jpg		 Actual Picture from the Stone Wall: /mid2000/13rb15.jpg (63575 bytes)