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Stone description: porous
| Wall Number | Country | State | Classification Sort ascending | Source |
|---|---|---|---|---|
| 5La8 | United States | Ohio | Sandstone | Youngstown |
| 5RA18 | United States | Ohio | Sandstone | E. Cleveland |
| 5RB8 | United States | Ohio | Sandstone | Independence |
| 6LA43 | United States | New Jersey | Sandstone | Pleasant Val. |
| 6RA11 | United States | Pennsylvania | Sandstone | Layton Station Fayette Co. |
| 6RB21 | United States | Ohio | Sandstone | Marietta |
| 7LA31 | United States | Colorado | Sandstone | Fort Collins |
| 7RA20 | United States | Ohio | Sandstone | Elyria |
| 7RB42 | United States | Michigan | Sandstone | Marquette |
| 8LA43 | United States | Montana | Sandstone | Columbus |
| 9EE | United States | Ohio | Sandstone | Glenmont |
| 9RA20 | United States | Pennsylvania | Sandstone | Uniontown |
| 9RA46 | Canada | Sandstone | Georgetown, Ontario | |
| S1-35 | United States | Ohio | Sandstone | Glenmont |
| 11Lb32 | United States | Utah | Sandstone | Red Butte |
| 14RQ | United States | Connecticut | Sandstone | Fair Haven |
| 2EE | United States | Ohio | Sandstone | Glenmont |
| 5LA10 | United States | Ohio | Sandstone | Sunbury |
| 5LA9 | United States | Ohio | Sandstone | Piketon |
| 5RA19 | United States | Ohio | Sandstone | Mansfield |
| 5RQ | United States | Ohio | Sandstone | Kipton |
| 6LA46 | United States | Michigan | Sandstone | Portage Entry |
| 6RA14 | United States | Pennsylvania | Sandstone | Fuller |
| 6RB29 | United States | Kentucky | Sandstone | Kirkmansville |
| 7La32 | United States | Minnesota | Sandstone | Hinckley |
| 7RA28 | United States | Kentucky | Sandstone | Cloveport |
| 7RQ | United States | Ohio | Sandstone | Kipton |
| 8La47 | United States | New Mexico | Sandstone | Las Vegas |
| 8RA20 | United States | Ohio | Sandstone | Elyria |
| 9LA19 | United States | Pennsylvania | Sandstone | Curwensville |
| 9Lb17 | United States | Pennsylvania | Sandstone | Homewood |
| 9RA21 | United States | Ohio | Sandstone | Monclava |
| S1-36 | United States | Ohio | Sandstone | Amherst |
| 10EE | United States | Ohio | Sandstone | Amherst |
| 11Lb35 | United States | Virginia | Sandstone | Saltville |
| 14WE | United States | Ohio | Sandstone | Amherst |
| 2RQ | United States | Ohio | Sandstone | Amherst |
| 5LA11 | United States | Ohio | Sandstone | Windham |
| 5LB1 | United States | Ohio | Sandstone | N. Hampton |
| 5RA2 | United States | Ohio | Sandstone | Iberia |
| 6LA47 | United States | Louisiana | Sandstone | Unknown |
| 6RA15 | United States | Pennsylvania | Sandstone | Connellsville |
| 6RB3 | United States | Pennsylvania | Sandstone | Kiasola Station Beaver Co. |
| 7La33 | United States | Connecticut | Sandstone | Cromwell |
| 7RA29 | United States | California | Sandstone | Angel Island |
| 7WE | United States | South Dakota | Sandstone | Hot Springs |
| 8LB20 | United States | Ohio | Sandstone | Berea |
| 8RA21 | United States | Ohio | Sandstone | Brooklyn |
| 8RB18 | United States | Pennsylvania | Sandstone | Fayette Station Fayette Co. |
| 9LA21 | United States | Ohio | Sandstone | Lancaster |
| 9LB21 | United States | Ohio | Sandstone | Twinsburg |
| 9RA22 | United States | Ohio | Sandstone | Newark |
| 9RB20 | United States | Ohio | Sandstone | Harmer |
| S1-37 | United States | Ohio | Sandstone | Amherst |
| 11LB41 | United States | Washington | Sandstone | Bellingham |
| 15WE | United States | Ohio | Sandstone | Glenmont |
| 5LA13 | United States | Ohio | Sandstone | New Lisbon |
| 5LB2 | United States | Ohio | Sandstone | Newburgh |
| 5RA3 | United States | Ohio | Sandstone | Bellaire |
| 6EE | United States | Ohio | Sandstone | McDermott |
| 6LA5 | United States | Pennsylvania | Sandstone | Scranton |
| 6RA16 | United States | Pennsylvania | Sandstone | Goldsboro |
| 6RB30 | United States | California | Sandstone | Alameda |
| 7LA39 | United States | New Jersey | Sandstone | Patterson |
| 7RA31 | United States | Colorado | Sandstone | Coal Creek |
| 8LB21 | United States | Ohio | Sandstone | Steubensville Jefferson Co. |
| 8RA23 | United States | Massachusetts | Sandstone | E. Long Meadow |
| 8RB20 | United States | Ohio | Sandstone | Middleburg Twp. Cuyahoga Co. |
| 9LA22 | United States | Ohio | Sandstone | Logan |
| 9LB22 | United States | Ohio | Sandstone | Mansfield |
| 9RA24 | United States | North Carolina | Sandstone | Raleigh |
| 9RB21 | United States | Ohio | Sandstone | Berea |
| S2-1 | United States | Wyoming | Sandstone | Laramie |
| 10RA31 | United States | Kansas | Sandstone | Parsons |
| 11LB45 | United States | Kentucky | Sandstone | Whitney Co. |
| 5LA15 | United States | Ohio | Sandstone | Rockville |
| 6L48 | United States | North Carolina | Sandstone | Raleigh |
| 6La9 | United States | Pennsylvania | Sandstone | Waynesburgh |
| 6RA21 | United States | Ohio | Sandstone | Ridgeville |
| 7RA39 | United States | New Jersey | Sandstone | Belleville |
| 8EE | United States | Ohio | Sandstone | Amherst |
| 8LB28 | United States | New York | Sandstone | Hulberton |
| 8RA24 | United States | North Carolina | Sandstone | Durham |
| 8RB21 | United States | Ohio | Sandstone | Amherst |
| 9LA25 | United States | North Carolina | Sandstone | Raleigh |
| 9LB23 | United States | Ohio | Sandstone | Marietta |
| 9RA25 | United States | North Carolina | Sandstone | Raleigh |
| 9RB24 | Australia | Sandstone | New South Wales | |
| S2-10 | United States | Ohio | Sandstone | McDermott |
| 10RA32 | United States | Kansas | Sandstone | Parsons |
| 11La38 | United States | Tennessee | Sandstone | Parksville |
| 17WE | United States | Ohio | Sandstone | McDermott |
| 3RQ | United States | Ohio | Sandstone | Amherst |
| 5LA16 | United States | Ohio | Sandstone | Windsor |
| 5Lb3 | United States | Ohio | Sandstone | Zanesville |
| 5RA4 | United States | Ohio | Sandstone | Buena Vista |
| 6La10 | United States | Pennsylvania | Sandstone | Stoneboro |
| 6LB11 | United States | Pennsylvania | Sandstone | Sharon |
| 6RA3 | United States | Pennsylvania | Sandstone | Hummelstown |
| 6RB39 | United States | Ohio | Sandstone | Sunbury |