| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | California | Sandstone | Haywards | 6RA31 | 25801/2 n | y | Front Face (South) | Dscf0114.jpg |
Description |
| brown |
| medium grain |
| porous |
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No 6RA31 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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