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Stone description: porous
| Wall Number Sort ascending | Country | State | Classification | Source |
|---|---|---|---|---|
| 26WE | United States | Wyoming | Sandstone | Laramie |
| 25WE | United States | Ohio | Sandstone | Amherst |
| 24EE | United States | Ohio | Sandstone | Glenmont |
| 23EE | United States | Idaho | Sandstone | Boise |
| 22EE | United States | Ohio | Sandstone | McDermott |
| 1WE | United States | Texas | Limestone | Cedar Park |
| 1RQ | United States | Ohio | Sandstone | Amherst |
| 19WE | United States | Ohio | Sandstone | McDermott |
| 18WE | United States | Ohio | Sandstone | McDermott |
| 17WE | United States | Ohio | Sandstone | McDermott |
| 16C | United States | Alabama | Limestone | Rockwood |
| 15WE | United States | Ohio | Sandstone | Glenmont |
| 14WE | United States | Ohio | Sandstone | Amherst |
| 14RQ | United States | Connecticut | Sandstone | Fair Haven |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 14RB18 | United States | Iowa | Dolomite | Dixon |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 14RA5 | United States | Wisconsin | Dolomite | Buffalo Co. |
| 14RA48 | United States | Texas | Limestone | Cedar Park |
| 14RA38 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 14RA37 | Hungary | Limestone | Kroisbach | |
| 14RA15 | United States | Iowa | Dolomite | Winterset |
| 14RA14 | United States | Iowa | Dolomite | Ames Station Story Co. |
| 14ra13 | United States | Ohio | Dolomite | Columbus Grove |
| 14RA12 | United States | Ohio | Dolomite | Tiffin |
| 14LB37 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 14LB28 | United States | Tennessee | Limestone | Davidson Co. |
| 14LB16 | United States | Iowa | Dolomite | Clemont |
| 14LB12 | United States | Ohio | Dolomite | Tiffin |
| 14LB11 | United States | Ohio | Dolomite | Greenfield |
| 14La48 | United States | Texas | Limestone | Cedar Park |
| 14LA38 | Hungary | Limestone | Oszlopp | |
| 14LA37 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 14LA16 | United States | Iowa | Dolomite | Stone City |
| 14LA14 | United States | Iowa | Dolomite | Mt. Vernon |
| 14LA12 | United States | Ohio | Dolomite | Yellow Springs |
| 14C | United States | Indiana | Limestone | Bedford |
| 13WE | United States | Ohio | Sandstone | McDermott |
| 13RB42 | United States | Indiana | Limestone | Bedford |
| 13RB39 | United States | Illinois | Limestone | Columbia |
| 13RB16 | United States | Iowa | Dolomite | Farley |
| 13RB10 | United States | Ohio | Dolomite | Sandusky |
| 13RA7 | United States | Minnesota | Dolomite | Mankato |
| 13RA47 | United States | Alabama | Limestone | Rockwood |
| 13RA43 | United States | Kentucky | Limestone | Hopkinsville |
| 13RA36 | Hungary | Limestone | Breitenbrunn | |
| 13RA35 | Spain | Limestone | Murcia, Murcia | |
| 13RA31 | Austria | Marble | Sterzing | |
| 13RA24 | United States | Kansas | Limestone | Douglass |
| 13RA23 | United States | Kansas | Limestone | Augusta |
| 13RA22 | United States | Missouri | Sandstone | Miami Station Carroll Co. |
| 13RA18 | United States | Iowa | Limestone | Vinton |
| 13RA16 | United States | Iowa | Dolomite | Stone City |
| 13RA14 | United States | Iowa | Dolomite | Dixon Sta. |
| 13RA11 | United States | Ohio | Dolomite | Springfield |
| 13ra10 | United States | Ohio | Dolomite | Bellefountaine |
| 13LB29 | Italy | Limestone | Leghorn | |
| 13LB10 | United States | Ohio | Dolomite | Springfield |
| 13LA5 | United States | Wisconsin | Dolomite | La Crosse |
| 13La45 | United States | Kentucky | Limestone | Frankfort |
| 13LA36 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 13LA13 | United States | Iowa | Dolomite | Iowa Falls |
| 13LA12 | United States | Ohio | Dolomite | Freemont |
| 12WE | United States | Ohio | Sandstone | McDermott |
| 12RB40 | United States | Alabama | Limestone | Turks Cave |
| 12RA36 | United States | Kentucky | Limestone | Garrett |
| 12RA32 | United States | Indiana | Limestone | Salem |
| 12RA16 | United States | Iowa | Dolomite | Farley |
| 12RA13 | United States | Ohio | Dolomite | Lima |
| 12RA1 | United States | Indiana | Limestone | Bedford |
| 12LB35 | United States | Indiana | Limestone | Bedford |
| 12LB22 | United States | Kansas | Limestone | Junction City |
| 12LB14 | United States | Missouri | Dolomite | Osage |
| 12LA8 | United States | Minnesota | Dolomite | Frontenac |
| 12LA35 | United States | Indiana | Limestone | Spencer |
| 12LA16 | United States | Iowa | Dolomite | Maquoketa |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 12LA10 | United States | Ohio | Dolomite | Euphemia |
| 11WE | United States | Ohio | Sandstone | Amherst |
| 11RB9 | United States | Kansas | Dolomite | Marion Center |
| 11RB45 | United States | New Mexico | Sandstone | Las Vegas |
| 11RB34 | United States | Oregon | Sandstone | Dallas |
| 11RB33 | United States | Oregon | Sandstone | Jacksonville |
| 11RB29 | United States | Virginia | Sandstone | Manassas |
| 11RB26 | United States | South Dakota | Sandstone | Hot Springs |
| 11RB15 | United States | Iowa | Dolomite | Lansing |
| 11RA38 | United States | Tennessee | Sandstone | Ducktown |
| 11RA37 | United States | Tennessee | Sandstone | Sewanee |
| 11RA27 | United States | Kansas | Limestone | Cottonwood |
| 11Ra25 | United States | Kansas | Limestone | Cottonwood |
| 11LB45 | United States | Kentucky | Sandstone | Whitney Co. |
| 11LB41 | United States | Washington | Sandstone | Bellingham |
| 11Lb35 | United States | Virginia | Sandstone | Saltville |
| 11Lb32 | United States | Utah | Sandstone | Red Butte |
| 11LB31 | United States | Kansas | Sandstone | Pawnee |
| 11LB30 | United States | Missouri | Sandstone | Butler |
| 11LB29 | United States | Missouri | Sandstone | Jones Station Ralls Co. |
| 11LB28 | Scotland | Sandstone | Ballochmyle | |
| 11LB26 | United States | Iowa | Sandstone | Lewis |
| 11LB22 | United States | Kansas | Limestone | Cottonwood |