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Stone description: light gray
| Wall Number | Country | State | Classification Sort ascending | Source |
|---|---|---|---|---|
| 8RA10 | United States | Illinois | Limestone | Chester |
| 12RA30 | United States | Illinois | Limestone | Joliet |
| 13La45 | United States | Kentucky | Limestone | Frankfort |
| 14LA46 | Portugal | Limestone | Janianes, Coimbra | |
| 8RA11 | United States | Illinois | Limestone | Rockport |
| 12RA32 | United States | Indiana | Limestone | Salem |
| 14RB21 | United States | Iowa | Limestone | Pella Station, Marion Co. |
| 8RA12 | United States | Illinois | Limestone | Jonesborough |
| 11LA8 | United States | Kansas | Limestone | Florence |
| 12RA33 | United States | Indiana | Limestone | Spencer |
| 14RB28 | United States | Tennessee | Limestone | Columbia |
| 8RA13 | United States | Indiana | Limestone | Bedford |
| 9LA5 | United States | Missouri | Limestone | Barrett's Station |
| 12RA34 | United States | Indiana | Limestone | Oakalla |
| 13RB23 | United States | Texas | Limestone | Austin |
| 14RB36 | Spain | Limestone | Murcia, Murcia | |
| 8LA12 | United States | Illinois | Limestone | Kinderhook |
| 8RA14 | United States | Indiana | Limestone | Avoca |
| 9LA9 | United States | Iowa | Limestone | Burlington |
| 5RB24 | United States | North Carolina | Granite | Warrenton |
| 7LA22 | United States | North Carolina | Granite | Asheville |
| 10RB25 | United States | Maine | Granite | Hallowell |
| 17B | United States | Massachusetts | Granite | W. Chelmsford |
| 5RB25 | United States | North Carolina | Granite | Louisburg |
| 7LA23 | United States | North Carolina | Granite | Buckhorn Falls |
| 1B | United States | Massachusetts | Granite | W. Chelmsford |
| 6RA44 | United States | New Hampshire | Granite | Milford |
| 10RB45 | United States | New Hampshire | Granite | Mason |
| 1R4 | United States | Connecticut | Granite | Reynold's Bridge |
| 5RB44 | United States | New Hampshire | Granite | Marlborough |
| 1R5 | United States | Connecticut | Granite | Thomaston |
| 11B | United States | New Hampshire | Granite | Concord |
| 2B | United States | North Carolina | Granite | Mt. Airy |
| 5B | United States | Maine | Granite | North Jay |
| 6LA26 | United States | Maine | Granite | Lincolnville |
| 6RB24 | United States | North Carolina | Granite | Salisbury |
| 10LB44 | United States | New Hampshire | Granite | Manchester |
| 5LB12 | United States | Massachusetts | Granite | Freetown |
| 6LA44 | United States | New Hampshire | Granite | Troy |
| 5LB30 | United States | Georgia | Granite | Ogelsby |
| 7RB24 | United States | Maine | Granite | Augusta |
| 10RA35 | United States | New Hampshire | Granite | Roxbury |
| 11RB28 | United States | Virginia | Granite | Fredericksburg |
| 5LB32 | United States | Colorado | Granite | Lawson |
| 6RB44 | United States | New Hampshire | Granite | Keene |
| 10RA37 | United States | New Hampshire | Granite | Mason |
| 6LB45 | United States | Vermont | Granite | Brattleboro |
| 6RB46 | United States | Vermont | Granite | Barre |
| 10RA40 | United States | New Hampshire | Granite | Milford |