| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Iowa | Limestone | Tipton | 12LA21 | 25575 | y | Front Face (South) | Dscf0411.jpg |
Description |
| buff |
| coarse grain |
| compact |
| cellular |
| Upper Silurian |
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No 12LA21 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
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