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Stone description: porous
| Wall Number | Country Sort descending | State | Classification | Source |
|---|---|---|---|---|
| 13LB29 | Italy | Limestone | Leghorn | |
| 6RB37 | Mexico | Tuff | Oaxaca State | |
| 10LA38 | Mexico | Dacite | Mexico State | |
| 8RB36 | Scotland | Sandstone | Nairn | |
| 8LB36 | Scotland | Sandstone | Thurso | |
| 11LB28 | Scotland | Sandstone | Ballochmyle | |
| 13RA35 | Spain | Limestone | Murcia, Murcia | |
| 10RB31 | United States | Texas | Sandstone | Mormon Mills |
| 13RA14 | United States | Iowa | Dolomite | Dixon Sta. |
| 4LB12 | United States | Indiana | Limestone | Salem |
| 6La16 | United States | Pennsylvania | Sandstone | Titusville |
| 7LB39 | United States | New Jersey | Sandstone | Pleasant Val. |
| 8RA36 | United States | Missouri | Sandstone | Nevada |
| 9RA36 | United States | West Virginia | Sandstone | Kingwood |
| 11RB15 | United States | Iowa | Dolomite | Lansing |
| 14RA15 | United States | Iowa | Dolomite | Winterset |
| 5RA1 | United States | Ohio | Sandstone | Massillon |
| 6RA6 | United States | Pennsylvania | Sandstone | Farrandsville |
| 8LA26 | United States | North Carolina | Sandstone | Wadesboro |
| 9LA36 | United States | New Jersey | Conglomerate | May's Landing Atlantic Co. |
| S3-11 | United States | Ohio | Sandstone | McDermott |
| 10RB32 | United States | Colorado | Sandstone | Fort Collins |
| 13RA16 | United States | Iowa | Dolomite | Stone City |
| 6LA20 | United States | Ohio | Sandstone | Newark |
| 7LB40 | United States | New Jersey | Sandstone | Newark |
| 8RA37 | United States | Missouri | Sandstone | Howard Co. |
| 9RA39 | United States | Wyoming | Sandstone | Rawlins |
| 11RB26 | United States | South Dakota | Sandstone | Hot Springs |
| 5RA10 | United States | Ohio | Sandstone | Berea |
| 6RA8 | United States | Pennsylvania | Sandstone | Homewood |
| 8LA31 | United States | Kentucky | Sandstone | Johnson Co. |
| 9LA38 | United States | Indiana | Sandstone | Cannelton |
| S3-6 | United States | Ohio | Sandstone | McDermott |
| 10RB36 | United States | Missouri | Sandstone | St. Genevieve |
| 13RA18 | United States | Iowa | Limestone | Vinton |
| 6LA21 | United States | Ohio | Sandstone | Warwick |
| 7LB43 | United States | Michigan | Sandstone | L'Anse |
| 8RA4 | United States | Tennessee | Limestone | Nolensville Pike |
| 9RA41 | United States | Illinois | Sandstone | Carbondale |
| 11RB29 | United States | Virginia | Sandstone | Manassas |
| 5RA11 | United States | Ohio | Sandstone | Lithopolis |
| 6RA9 | United States | Pennsylvania | Sandstone | Garland |
| 8LA35 | United States | Connecticut | Sandstone | E. Haven |
| 9LA39 | United States | Indiana | Sandstone | French Lick Twp. |
| 10RB48 | United States | Wisconsin | Sandstone | Ableman |
| 13RA22 | United States | Missouri | Sandstone | Miami Station Carroll Co. |
| 4R9 | United States | Ohio | Sandstone | Berea |
| 6LA3 | United States | Pennsylvania | Sandstone | Wampum |
| 7LB44 | United States | Michigan | Sandstone | Stony Point |
| 8RA40 | United States | New Jersey | Sandstone | Belleville |
| 9RA42 | United States | Illinois | Sandstone | Xenia |
| 11RB33 | United States | Oregon | Sandstone | Jacksonville |
| 14RA48 | United States | Texas | Limestone | Cedar Park |
| 5RA12 | United States | Ohio | Sandstone | Euclid |
| 6RB13 | United States | Pennsylvania | Conglomerate | Friedensburg |
| 8LA36 | United States | Missouri | Sandstone | Clinton |
| 9LA40 | United States | Illinois | Sandstone | Pinckneyville |
| 10RQ | United States | Connecticut | Sandstone | Fair Haven |
| 13RA23 | United States | Kansas | Limestone | Augusta |
| 4RB12 | United States | Indiana | Limestone | Salem |
| 6La30 | United States | Kentucky | Sandstone | Livingstone |
| 7LB45 | United States | Michigan | Sandstone | L'Anse |
| 8RA42 | United States | Oregon | Basalt | Clackamas Station Clackamas Co |
| 9RA43 | United States | Idaho | Sandstone | Boise |
| 11RB34 | United States | Oregon | Sandstone | Dallas |
| 14RA5 | United States | Wisconsin | Dolomite | Buffalo Co. |
| 5RA13 | United States | Ohio | Sandstone | Marietta |
| 6RB16 | United States | Pennsylvania | Diabase | Round Top Gettysburg |
| 8LA37 | United States | Missouri | Sandstone | Warrensburg |
| 9LA41 | United States | Illinois | Sandstone | Chester |
| 10WE | United States | Ohio | Sandstone | Amherst |
| 13RA24 | United States | Kansas | Limestone | Douglass |
| 4RQ | United States | Ohio | Sandstone | Amherst |
| 6La4 | United States | Pennsylvania | Sandstone | Wampum |
| 8RA44 | United States | Michigan | Sandstone | L'Anse |
| 9RA44 | United States | Iowa | Sandstone | Davenport |
| 11RB45 | United States | New Mexico | Sandstone | Las Vegas |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 5RA15 | United States | Ohio | Sandstone | Cambridge |
| 6RB2 | United States | Pennsylvania | Sandstone | Franklin |
| 8LA39 | United States | Kansas | Sandstone | Oswego |
| 9LA42 | United States | Illinois | Sandstone | Chester |
| 11C | United States | Indiana | Limestone | Lawrence Co. |
| 5C | United States | Indiana | Limestone | Lawrence Co. |
| 6LA42 | United States | New Jersey | Sandstone | Stockton |
| 7RA19 | United States | Ohio | Sandstone | Carrollton |
| 8RA46 | United States | Washington | Sandstone | Bellingham |
| 11RB9 | United States | Kansas | Dolomite | Marion Center |
| 14RB18 | United States | Iowa | Dolomite | Dixon |
| 5RA16 | United States | Ohio | Sandstone | Leesville |
| 6RB20 | United States | Ohio | Sandstone | Amherst |
| 8LA42 | United States | New Jersey | Sandstone | Newark |
| 9LA44 | United States | Florida | Sandstone | Suwannee River |
| 11EE | United States | Ohio | Sandstone | Glenmont |
| 5LA1 | United States | Ohio | Sandstone | Mt. Gilead |
| 6LA43 | United States | New Jersey | Sandstone | Pleasant Val. |
| 7RA20 | United States | Ohio | Sandstone | Elyria |
| 8RB15 | United States | Utah | Limestone | Ephriam |
| 11WE | United States | Ohio | Sandstone | Amherst |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |