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Stone description: brown
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 12RA5 | United States | Tennessee | Limestone | Knoxville |
| 10RB12 | United States | Iowa | Limestone | Iowa City |
| 11La25 | United States | Tennessee | Limestone | Rogersville |
| 6RA8 | United States | Pennsylvania | Sandstone | Homewood |
| 7LB39 | United States | New Jersey | Sandstone | Pleasant Val. |
| 7RA30 | United States | Texas | Sandstone | Burnet |
| 14RQ | United States | Connecticut | Sandstone | Fair Haven |
| 8LA35 | United States | Connecticut | Sandstone | E. Haven |
| 8RA40 | United States | New Jersey | Sandstone | Belleville |
| 8RB32 | United States | Texas | Sandstone | Back Bone Valley |
| 4L6 | United States | Connecticut | Sandstone | Portland |
| 4R6 | United States | Connecticut | Sandstone | Portland |
| 9LA45 | Canada | Sandstone | Mary's Point, New Brunswick | |
| 10LA50 | Canada | Sandstone | Sackville, New Brunswick | |
| 5LA5 | United States | Ohio | Sandstone | Piketon |
| 9LA46 | Canada | Sandstone | Brampton, Ontario | |
| 5RA9 | United States | Ohio | Sandstone | Belleville |
| 9RB38 | United States | Oregon | Sandstone | Near Albany |
| 10RQ | United States | Connecticut | Sandstone | Fair Haven |
| 6LA43 | United States | New Jersey | Sandstone | Pleasant Val. |
| 6LB10 | United States | Pennsylvania | Sandstone | Wampum |
| 11La38 | United States | Tennessee | Sandstone | Parksville |
| 6RA15 | United States | Pennsylvania | Sandstone | Connellsville |
| 6RA31 | United States | California | Sandstone | Haywards |
| 13LB34 | Spain | Marble | Cehegin, Murcia | |
| 14LB32 | Austria | Marble | Castione | |
| 7LB16 | Austria | Marble | Salzburg | |
| 14RA30 | Austria | Marble | Adnet | |
| 14RB41 | United States | Maryland | Marble | Cockeysville |
| 3L4 | United States | Tennessee | Marble | Quarryville |
| 3R4 | United States | Tennessee | Marble | Quarryville |
| 11Lb23 | United States | Tennessee | Marble | Springville |
| 6RB37 | Mexico | Tuff | Oaxaca State | |
| 9LA36 | United States | New Jersey | Conglomerate | May's Landing Atlantic Co. |