Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States Pennsylvania Limestone Lebanon 7RA15 37858 n Front Face (South) DSCF0236.jpg
No 7RA15 is:

Description

nearly black
fine-banded
fine grain
compact
Lower Silurian


Picture of the Archive Stone:
/archive/front/7ra15.jpg
Actual Picture from the Stone Wall: /mid2000/7ra15.jpg (63575 bytes)