Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Diabase Reading 6RB19 26476 y Front Face (South) Dscf0110.jpg
No 6RB19 is:

Description

dark gray
coarse grain


Picture of the Archive Stone:
/archive/front/6rb19.jpg
Actual Picture from the Stone Wall: /mid2000/6rb19.jpg (63575 bytes)