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Stone classification: Travertine
| Wall Number Sort descending | Country | State | Source | Description |
|---|---|---|---|---|
| 10LA29 | Italy | Tivoli | buff, fine grain, cellular calcite, Roman Trav | |
| 10RA28 | Italy | Tivoli | cut from same block as 10LA29, buff, fine grain, cellular calcite, Roman Trav | |
| 11LA31 | United States | South Dakota | Pringle | white yellow-banded, medium grain, tranvertine |
| 12LA26 | Italy | Tivoli | cut from same block as 10LA29, buff, fine grain, cellular calcite, Roman Trav | |
| 12RA25 | Italy | Tivoli | cut from same block as 10LA29, buff, fine grain, cellular calcite, Roman Trav | |
| 27EE | United States | Tennessee | Nashville | light-buff travertine |