| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | New Hampshire | Granite | Mason | 4RB20 | y | Front Face (South) | Dscf1070_1.jpg |
Description |
| gray |
| fine grain |
| biotite |
ARCHIVE STONE NOT AVAILABLE
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No 4RB20 is:
| ARCHIVE STONE NOT AVAILABLE |
Actual Picture from the Stone Wall:
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