| Country | State | Classification | Source | WallNo | Centennial | Commercial | Location | surroundPic |
| United States | Iowa | Limestone | Marble Rock | 14LA21 | 26392 | y | Front Face (South) | Dscf0703.jpg |
Description |
| gray |
| fine grain |
| compact |
| Devonian |
| ||||||||||||||||||||
No 14LA21 is:
| Picture of the Archive Stone: |
Actual Picture from the Stone Wall:
| ||||||||||||||||||