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Stone description: light gray
| Wall Number | Country | State Sort descending | Classification | Source |
|---|---|---|---|---|
| 12RA11 | United States | Kentucky | Limestone | Lagrange |
| 13RA44 | United States | Kentucky | Limestone | Pilot Knob |
| 13RA46 | United States | Kentucky | Limestone | Trenton |
| 12RA36 | United States | Kentucky | Limestone | Garrett |
| 14RB45 | United States | Kentucky | Limestone | Frankfort |
| 11LB45 | United States | Kentucky | Sandstone | Whitney Co. |
| 8RA17 | United States | Kentucky | Limestone | Franklin |
| 7LA28 | United States | Kentucky | Sandstone | Grayson Spgs |
| 13RB43 | United States | Kentucky | Limestone | Litchfield |
| 13RB44 | United States | Kentucky | Limestone | Frankfort |
| 10RB25 | United States | Maine | Granite | Hallowell |
| 5B | United States | Maine | Granite | North Jay |
| 6LA26 | United States | Maine | Granite | Lincolnville |
| 7RB24 | United States | Maine | Granite | Augusta |
| 6RB40 | United States | Maryland | Gneiss | Mt. Royal |
| 5LB38 | United States | Maryland | Gneiss | Baltimore |
| 5RA39 | United States | Maryland | Gneiss | Baltimore |
| 5RB26 | United States | Maryland | Conglomerate | Cumberland |
| 9LB24 | United States | Massachusetts | Gneiss | Charlton |
| 5LB12 | United States | Massachusetts | Granite | Freetown |
| 5LB15 | United States | Massachusetts | Gneiss | Westford |
| 17B | United States | Massachusetts | Granite | W. Chelmsford |
| 1B | United States | Massachusetts | Granite | W. Chelmsford |
| 7LB37 | United States | Massachusetts | Gneiss | Westford |
| 11LA2 | United States | Michigan | Dolomite | Raisinville |
| 10LA49 | United States | Michigan | Quartzite | Vulcan |
| 9LA5 | United States | Missouri | Limestone | Barrett's Station |
| 10RB7 | United States | Missouri | Limestone | Hannibal |
| 8LA36 | United States | Missouri | Sandstone | Clinton |
| 11LA12 | United States | Missouri | Dolomite | Jefferson City |
| 11LB14 | United States | Missouri | Dolomite | Stoutland |
| 12RB14 | United States | Missouri | Dolomite | St. Louis |
| 11RA13 | United States | Missouri | Dolomite | De Soto |
| 8RA36 | United States | Missouri | Sandstone | Nevada |
| 10La21 | United States | Missouri | Limestone | Springfield |
| 11RA21 | United States | Missouri | Limestone | St. Louis |
| 14LB43 | United States | Nebraska | Limestone | LaPlatte |
| 8LB6 | United States | Nebraska | Limestone | Roca |
| 13RB24 | United States | Nebraska | Limestone | Glen Rock |
| 11RA23 | United States | Nebraska | Limestone | Roca |
| 8RB7 | United States | Nebraska | Limestone | Roca |
| 7LB35 | United States | Nevada | Andesite | Reno |
| 10RA35 | United States | New Hampshire | Granite | Roxbury |
| 10RA37 | United States | New Hampshire | Granite | Mason |
| 10RA40 | United States | New Hampshire | Granite | Milford |
| 6RA44 | United States | New Hampshire | Granite | Milford |
| 10RB45 | United States | New Hampshire | Granite | Mason |
| 11B | United States | New Hampshire | Granite | Concord |
| 6RB44 | United States | New Hampshire | Granite | Keene |
| 5RB44 | United States | New Hampshire | Granite | Marlborough |
| 10LB44 | United States | New Hampshire | Granite | Manchester |
| 6LA44 | United States | New Hampshire | Granite | Troy |
| 6LB42 | United States | New Jersey | Sandstone | Stockton |
| 7RB45 | United States | New Mexico | Tuff | Santa Fe |
| 7RA44 | United States | New Mexico | Sandstone | Las Vegas |
| 13LB6 | United States | New York | Dolomite | Lockport |
| 8LA30 | United States | New York | Sandstone | Lockport |
| 6RB28 | United States | New York | Sandstone | Canisteo |
| 13LA37 | United States | New York | Limestone | Cottonwood Sta. |
| 6RB24 | United States | North Carolina | Granite | Salisbury |
| 7LA22 | United States | North Carolina | Granite | Asheville |
| 5RB24 | United States | North Carolina | Granite | Warrenton |
| 7LA23 | United States | North Carolina | Granite | Buckhorn Falls |
| 5RB25 | United States | North Carolina | Granite | Louisburg |
| 8RA24 | United States | North Carolina | Sandstone | Durham |
| 2B | United States | North Carolina | Granite | Mt. Airy |
| 13LB10 | United States | Ohio | Dolomite | Springfield |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 8L48 | United States | Ohio | Sandstone | Berea |
| 14LB13 | United States | Ohio | Limestone | Dayton |
| 6RA20 | United States | Ohio | Sandstone | Lancaster |
| 9LB23 | United States | Ohio | Sandstone | Marietta |
| 4L9 | United States | Ohio | Sandstone | Berea |
| 4R9 | United States | Ohio | Sandstone | Berea |
| 6RB20 | United States | Ohio | Sandstone | Amherst |
| 5LA18 | United States | Ohio | Sandstone | Plymouth |
| 5LA9 | United States | Ohio | Sandstone | Piketon |
| 9RB21 | United States | Ohio | Sandstone | Berea |
| 8r48 | United States | Ohio | Sandstone | Berea |
| 12RA29 | United States | Ohio | Marble | Spring Mills |
| 14RB13 | United States | Ohio | Dolomite | Sandusky |
| 6RB39 | United States | Ohio | Sandstone | Sunbury |
| 13RB10 | United States | Ohio | Dolomite | Sandusky |
| 13RB12 | United States | Ohio | Dolomite | Greenfield |
| 5RA15 | United States | Ohio | Sandstone | Cambridge |
| 6RQ | United States | Ohio | Sandstone | McDermont |
| 5RB2 | United States | Ohio | Sandstone | Canal Dover Tuscarawas Co. |
| 13LA11 | United States | Ohio | Limestone | Piqua River |
| 6LA20 | United States | Ohio | Sandstone | Newark |
| 13LA12 | United States | Ohio | Dolomite | Freemont |
| 8rb9 | United States | Ohio | Limestone | Xenia |
| 14LA13 | United States | Ohio | Dolomite | Urbana |
| 13LA40 | United States | Ohio | Limestone | Newtonville |
| 6LB20 | United States | Ohio | Sandstone | Sunbury |
| 6RA10 | United States | Pennsylvania | Sandstone | Johnstown |
| 6RA11 | United States | Pennsylvania | Sandstone | Layton Station Fayette Co. |
| 6RA19 | United States | Pennsylvania | Quartzite | Jacksonwald |
| 6RA4 | United States | Pennsylvania | Sandstone | Connellsville |
| 14RA10 | United States | Pennsylvania | Dolomite | Mill Lane Chester Co. |
| 6RB1 | United States | Pennsylvania | Quartzite | Huntingdon |