Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Iowa Dolomite Sabula 12RB15 25865 y Front Face (South) Dscf0438.jpg
No 12RB15 is:

Description

buff
fine grain
compact
ferruginous
Upper Silurian


ARCHIVE STONE NOT AVAILABLE

Actual Picture from the Stone Wall: /mid2000/12rb15.jpg (63575 bytes)