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Stone description: porous
| Wall Number | Country | State Sort ascending | Classification | Source |
|---|---|---|---|---|
| 23EE | United States | Idaho | Sandstone | Boise |
| S2-132 | United States | Idaho | Sandstone | Boise |
| S2-8 | United States | Idaho | Sandstone | Boise |
| 9RA43 | United States | Idaho | Sandstone | Boise |
| 12RB40 | United States | Alabama | Limestone | Turks Cave |
| 2c | United States | Alabama | Limestone | Rockwood |
| 13RA47 | United States | Alabama | Limestone | Rockwood |
| 16C | United States | Alabama | Limestone | Rockwood |
| 9RB34 | United States | Alabama | Sandstone | DaKalb County |
| 8LB36 | Scotland | Sandstone | Thurso | |
| 11LB28 | Scotland | Sandstone | Ballochmyle | |
| 14LA37 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 14LA38 | Hungary | Limestone | Oszlopp | |
| 13LA36 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 7LA4 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 5LB27 | Austria | Conglomerate | Lindabrunn | |
| 9RA26 | Australia | Sandstone | New South Wales | |
| 14LB37 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 13LB29 | Italy | Limestone | Leghorn | |
| 4L7 | Australia | Sandstone | New South Wales | |
| 9LA27 | Australia | Sandstone | New South Wales | |
| 4L8 | Australia | Sandstone | New South Wales | |
| 4R7 | Australia | Sandstone | New South Wales | |
| 14RA37 | Hungary | Limestone | Kroisbach | |
| 4R8 | Australia | Sandstone | New South Wales | |
| 14RA38 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 7LB9 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 13RA31 | Austria | Marble | Sterzing | |
| 9RA45 | Canada | Sandstone | Dorchester, New Brunswick | |
| 13RA35 | Spain | Limestone | Murcia, Murcia | |
| 9RA46 | Canada | Sandstone | Georgetown, Ontario | |
| 13RA36 | Hungary | Limestone | Breitenbrunn | |
| 9RB24 | Australia | Sandstone | New South Wales | |
| 6RB37 | Mexico | Tuff | Oaxaca State | |
| 9RB25 | Australia | Sandstone | New South Wales | |
| 9LB26 | Australia | Sandstone | New South Wales | |
| 10LA38 | Mexico | Dacite | Mexico State | |
| 9LB27 | Australia | Sandstone | New South Wales | |
| 7RA5 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 10LA50 | Canada | Sandstone | Sackville, New Brunswick | |
| 7RA7 | Hungary | Limestone | Mannersdorf | |
| 8RB36 | Scotland | Sandstone | Nairn |