Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Iowa Limestone Knoxville 14LB20 25675 y Front Face (South) Dscf0703.jpg
No 14LB20 is:

Description

gray
medium grain
compact
siliceous
Lower carboniferous


Picture of the Archive Stone:
/archive/front/14lb20.jpg
Actual Picture from the Stone Wall: /mid2000/14lb20.jpg (63575 bytes)