Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Iowa Dolomite Garrison 12RB17 25951B y Front Face (South) Dscf0437.jpg
No 12RB17 is:

Description

dark gray
fine grain
compact
Devonian


ARCHIVE STONE NOT AVAILABLE

Actual Picture from the Stone Wall: /mid2000/12rb17.jpg (63575 bytes)