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Stone description: porous
| Wall Number | Country | State | Classification | Source Sort ascending |
|---|---|---|---|---|
| 8RB40 | United States | New Jersey | Sandstone | Belleville |
| 13ra10 | United States | Ohio | Dolomite | Bellefountaine |
| 5RA3 | United States | Ohio | Sandstone | Bellaire |
| 5RB4 | United States | Ohio | Sandstone | Bellaire |
| 12LB35 | United States | Indiana | Limestone | Bedford |
| 13RB42 | United States | Indiana | Limestone | Bedford |
| 12RA1 | United States | Indiana | Limestone | Bedford |
| 14C | United States | Indiana | Limestone | Bedford |
| 5RB3 | United States | Ohio | Sandstone | Bedford |
| 6LB13 | United States | Pennsylvania | Sandstone | Beaver Falls |
| 9LA5 | United States | Missouri | Limestone | Barrett's Station |
| 11LB28 | Scotland | Sandstone | Ballochmyle | |
| 6LB9 | United States | Pennsylvania | Sandstone | Baden |
| 8RB32 | United States | Texas | Sandstone | Back Bone Valley |
| 7RB39 | United States | New Jersey | Sandstone | Avondale |
| 13RA23 | United States | Kansas | Limestone | Augusta |
| 9RB40 | United States | Indiana | Sandstone | Attica |
| 10RA24 | United States | Kansas | Limestone | Armstrong |
| 7RA29 | United States | California | Sandstone | Angel Island |
| 11LA16 | United States | Iowa | Dolomite | Anamosa |
| 10WE | United States | Ohio | Sandstone | Amherst |
| 4RQ | United States | Ohio | Sandstone | Amherst |
| 6RB20 | United States | Ohio | Sandstone | Amherst |
| 11WE | United States | Ohio | Sandstone | Amherst |
| 10EE | United States | Ohio | Sandstone | Amherst |
| 14WE | United States | Ohio | Sandstone | Amherst |
| 8RB21 | United States | Ohio | Sandstone | Amherst |
| 1RQ | United States | Ohio | Sandstone | Amherst |
| 7RB19 | United States | Ohio | Sandstone | Amherst |
| 6WE | United States | Ohio | Sandstone | Amherst |
| 5RB1 | United States | Ohio | Sandstone | Amherst |
| 25WE | United States | Ohio | Sandstone | Amherst |
| S1-36 | United States | Ohio | Sandstone | Amherst |
| 2RQ | United States | Ohio | Sandstone | Amherst |
| S1-37 | United States | Ohio | Sandstone | Amherst |
| 8EE | United States | Ohio | Sandstone | Amherst |
| 3RQ | United States | Ohio | Sandstone | Amherst |
| 14RA14 | United States | Iowa | Dolomite | Ames Station Story Co. |
| 6RB30 | United States | California | Sandstone | Alameda |
| 7LA19 | United States | Ohio | Sandstone | Akron |
| 10RB48 | United States | Wisconsin | Sandstone | Ableman |
| 6C | United States | Indiana | Limestone | ? |