| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Maryland | Marble | Union Bridge | 12LA30 | 26830 | y | Front Face (South) | DSCF0419.jpg |
Description |
| dark-red and white |
| coarse grain |
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No 12LA30 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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