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Stone description: porous
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 12RA13 | United States | Ohio | Dolomite | Lima |
| 13RA16 | United States | Iowa | Dolomite | Stone City |
| 12RA16 | United States | Iowa | Dolomite | Farley |
| 14LA12 | United States | Ohio | Dolomite | Yellow Springs |
| 14LA14 | United States | Iowa | Dolomite | Mt. Vernon |
| 14LA16 | United States | Iowa | Dolomite | Stone City |
| 14RA5 | United States | Wisconsin | Dolomite | Buffalo Co. |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 10RA13 | United States | Ohio | Dolomite | White House |
| 11RB9 | United States | Kansas | Dolomite | Marion Center |
| 14RB18 | United States | Iowa | Dolomite | Dixon |
| 10RA14 | United States | Ohio | Dolomite | Van Wert |
| 13LA12 | United States | Ohio | Dolomite | Freemont |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 10RA15 | United States | Ohio | Dolomite | White House |
| 11LA15 | United States | Iowa | Dolomite | Clinton |
| 12LA10 | United States | Ohio | Dolomite | Euphemia |
| 13LA13 | United States | Iowa | Dolomite | Iowa Falls |
| 14LB11 | United States | Ohio | Dolomite | Greenfield |
| 11LA16 | United States | Iowa | Dolomite | Anamosa |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 14LB12 | United States | Ohio | Dolomite | Tiffin |
| 10LA11 | United States | Ohio | Dolomite | Lima |
| 11LA2 | United States | Michigan | Dolomite | Raisinville |
| 12LA16 | United States | Iowa | Dolomite | Maquoketa |
| 14LB16 | United States | Iowa | Dolomite | Clemont |
| 13LA5 | United States | Wisconsin | Dolomite | La Crosse |
| 13RA7 | United States | Minnesota | Dolomite | Mankato |
| 12LA8 | United States | Minnesota | Dolomite | Frontenac |
| 13LB10 | United States | Ohio | Dolomite | Springfield |
| 13RB10 | United States | Ohio | Dolomite | Sandusky |
| 12LB14 | United States | Missouri | Dolomite | Osage |
| 13RB16 | United States | Iowa | Dolomite | Farley |
| 14RA12 | United States | Ohio | Dolomite | Tiffin |
| 6RB16 | United States | Pennsylvania | Diabase | Round Top Gettysburg |
| 10LA38 | Mexico | Dacite | Mexico State | |
| 6RB37 | Mexico | Tuff | Oaxaca State | |
| 8RA42 | United States | Oregon | Basalt | Clackamas Station Clackamas Co |
| 9LA36 | United States | New Jersey | Conglomerate | May's Landing Atlantic Co. |
| 6RB13 | United States | Pennsylvania | Conglomerate | Friedensburg |
| 5LB27 | Austria | Conglomerate | Lindabrunn | |
| 5RA34 | United States | Connecticut | Conglomerate | Portland |