Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Sandstone Derry Station Westmorland Co. 6RA7 25913 y Front Face (South) Dscf0106.jpg
No 6RA7 is:

Description
bluish-gray
fine grain
compact
carboniferous


Picture of the Archive Stone:
/archive/front/6ra7.jpg		 Actual Picture from the Stone Wall: /mid2000/6ra7.jpg (63575 bytes)