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Stone description: porous
| Wall Number | Country | State Sort descending | Classification | Source |
|---|---|---|---|---|
| 8RA46 | United States | Washington | Sandstone | Bellingham |
| 9LB43 | United States | Washington | Sandstone | Tenino |
| 8RB46 | United States | Washington | Sandstone | Tenino |
| 9La34 | United States | West Virginia | Sandstone | Kingwood |
| 9RA36 | United States | West Virginia | Sandstone | Kingwood |
| 9RB35 | United States | West Virginia | Sandstone | Charleston |
| 10Lb37 | United States | West Virginia | Sandstone | Grafton |
| 8LB39 | United States | West Virginia | Sandstone | Wheeling |
| 13LA5 | United States | Wisconsin | Dolomite | La Crosse |
| 10RB48 | United States | Wisconsin | Sandstone | Ableman |
| 14RA5 | United States | Wisconsin | Dolomite | Buffalo Co. |
| 8RB16 | United States | Wisconsin | Limestone | Madison |
| 10Lb46 | United States | Wisconsin | Sandstone | Mauston |
| 8RB45 | United States | Wisconsin | Sandstone | Packwaukee |
| 10Lb47 | United States | Wisconsin | Sandstone | Mauston |
| S2-1 | United States | Wyoming | Sandstone | Laramie |
| S2-126 | United States | Wyoming | Sandstone | Laramie |
| 9RA39 | United States | Wyoming | Sandstone | Rawlins |
| 9Lb44 | United States | Wyoming | Sandstone | Laramie |
| 26WE | United States | Wyoming | Sandstone | Laramie |
| 6RA31 | United States | California | Sandstone | Haywards |
| 7LB29 | United States | California | Sandstone | Livermore |
| 7RA29 | United States | California | Sandstone | Angel Island |
| 6RB30 | United States | California | Sandstone | Alameda |
| 7RB28 | United States | California | Sandstone | Sites |
| 9RA3 | United States | Colorado | Limestone | Morrison |
| 8RA33 | United States | Colorado | Sandstone | Longmont |
| 10RB32 | United States | Colorado | Sandstone | Fort Collins |
| 7RA31 | United States | Colorado | Sandstone | Coal Creek |
| 8RB33 | United States | Colorado | Sandstone | Fort Collins |
| 8LB33 | United States | Colorado | Sandstone | Canon City |
| 10LB38 | United States | Colorado | Sandstone | Fremont Co.- Ark. River |
| 7LA31 | United States | Colorado | Sandstone | Fort Collins |
| 7La33 | United States | Connecticut | Sandstone | Cromwell |
| 8LA35 | United States | Connecticut | Sandstone | E. Haven |
| 10RQ | United States | Connecticut | Sandstone | Fair Haven |
| 14RQ | United States | Connecticut | Sandstone | Fair Haven |
| 5RA34 | United States | Connecticut | Conglomerate | Portland |
| 8RB35 | United States | Connecticut | Sandstone | Portland |
| 8LB35 | United States | Connecticut | Sandstone | Manchester |
| 9LA44 | United States | Florida | Sandstone | Suwannee River |
| 7LA10 | United States | Florida | Limestone | Key West |