Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Dolomite Potts Landing Berk's Co. 13RB9 37856 n Front Face (South) Dscf0456.jpg
No 13RB9 is:

Description
bluish-gray
fine grain
compact
Lower Silurian


Picture of the Archive Stone:
/archive/front/13rb9.jpg		 Actual Picture from the Stone Wall: /mid2000/13rb9.jpg (63575 bytes)