Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Limestone Wernersville 7RA16 37861? n Front Face (South) DSCF0236.jpg
No 7RA16 is:

Description

dark blue gray
fine grain
compact
crystalline
Lower Silurian


Picture of the Archive Stone:
/archive/front/7ra16.jpg
Actual Picture from the Stone Wall: /mid2000/7ra16.jpg (63575 bytes)