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Stone description: porous
| Wall Number | Country Sort descending | State | Classification | Source |
|---|---|---|---|---|
| 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 |
| 5RA18 | United States | Ohio | Sandstone | E. Cleveland |
| 6RB21 | United States | Ohio | Sandstone | Marietta |
| 8LA43 | United States | Montana | Sandstone | Columbus |
| 9LA5 | United States | Missouri | Limestone | Barrett's Station |
| 11LA15 | United States | Iowa | Dolomite | Clinton |
| 5LA10 | United States | Ohio | Sandstone | Sunbury |
| 6LA46 | United States | Michigan | Sandstone | Portage Entry |
| 7RA28 | United States | Kentucky | Sandstone | Cloveport |
| 8RB16 | United States | Wisconsin | Limestone | Madison |
| 9RA9 | United States | Iowa | Limestone | Tracey Station, Marion Co. |
| 10C | United States | Indiana | Limestone | Bloomington |
| 12LA10 | United States | Ohio | Dolomite | Euphemia |
| 14RQ | United States | Connecticut | Sandstone | Fair Haven |
| 5RA19 | United States | Ohio | Sandstone | Mansfield |
| 6RB29 | United States | Kentucky | Sandstone | Kirkmansville |
| 8La47 | United States | New Mexico | Sandstone | Las Vegas |
| 9Lb17 | United States | Pennsylvania | Sandstone | Homewood |
| 11LA16 | United States | Iowa | Dolomite | Anamosa |
| 13RA43 | United States | Kentucky | Limestone | Hopkinsville |
| 5LA11 | United States | Ohio | Sandstone | Windham |
| 6LA47 | United States | Louisiana | Sandstone | Unknown |
| 7RA29 | United States | California | Sandstone | Angel Island |
| 8RB18 | United States | Pennsylvania | Sandstone | Fayette Station Fayette Co. |
| 9RB20 | United States | Ohio | Sandstone | Harmer |
| 10EE | United States | Ohio | Sandstone | Amherst |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 14WE | United States | Ohio | Sandstone | Amherst |
| 5RA2 | United States | Ohio | Sandstone | Iberia |
| 6RB3 | United States | Pennsylvania | Sandstone | Kiasola Station Beaver Co. |
| 8LB20 | United States | Ohio | Sandstone | Berea |
| 9LB21 | United States | Ohio | Sandstone | Twinsburg |
| 11LA2 | United States | Michigan | Dolomite | Raisinville |
| 13RA47 | United States | Alabama | Limestone | Rockwood |
| 5LA13 | United States | Ohio | Sandstone | New Lisbon |
| 6LA5 | United States | Pennsylvania | Sandstone | Scranton |
| 7RA31 | United States | Colorado | Sandstone | Coal Creek |
| 8RB20 | United States | Ohio | Sandstone | Middleburg Twp. Cuyahoga Co. |
| 9RB21 | United States | Ohio | Sandstone | Berea |
| 10LA11 | United States | Ohio | Dolomite | Lima |
| 12LA16 | United States | Iowa | Dolomite | Maquoketa |
| 15WE | United States | Ohio | Sandstone | Glenmont |