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Stone description: light gray
| Wall Number | Country | State Sort ascending | Classification | Source |
|---|---|---|---|---|
| 1R4 | United States | Connecticut | Granite | Reynold's Bridge |
| 1R5 | United States | Connecticut | Granite | Thomaston |
| 10LB34 | United States | Connecticut | Gneiss | Roxbury |
| 10RB32 | United States | Colorado | Sandstone | Fort Collins |
| 6rb33 | United States | Colorado | Tuff | Castle rock |
| 5LB32 | United States | Colorado | Granite | Lawson |
| 7LA31 | United States | Colorado | Sandstone | Fort Collins |
| 7RA31 | United States | Colorado | Sandstone | Coal Creek |
| 6LA33 | United States | Colorado | Sandstone | Trinidad |
| 9RA39 | United States | Wyoming | Sandstone | Rawlins |
| 7RB43 | United States | Wisconsin | Quartzite | Stevens Point |
| 14LA5 | United States | Wisconsin | Dolomite | Eden |
| 14LA6 | United States | Wisconsin | Dolomite | Taycheedah Twp. Fon du Lac Co. |
| 10RA9 | United States | Wisconsin | Dolomite | Byron |
| 11LB2 | United States | Wisconsin | Dolomite | Fon du Lac |
| 13RB4 | United States | Wisconsin | Dolomite | Byron |
| 10Lb46 | United States | Wisconsin | Sandstone | Mauston |
| 8La46 | United States | Washington | Sandstone | Wilkeson |
| 8Lb46 | United States | Washington | Sandstone | Pittsburgh |
| 11RB28 | United States | Virginia | Granite | Fredericksburg |
| 2L9 | United States | Vermont | Marble | Florence |
| 2R10 | United States | Vermont | Marble | Florence |
| 6LB45 | United States | Vermont | Granite | Brattleboro |
| 2R12 | United States | Vermont | Marble | Florence |
| 2R2 | United States | Vermont | Marble | Florence |
| 2R3 | United States | Vermont | Marble | Florence |
| 2R9 | United States | Vermont | Marble | Florence |
| 6RB46 | United States | Vermont | Granite | Barre |
| 2L10 | United States | Vermont | Marble | Florence |
| 2L12 | United States | Vermont | Marble | Florence |
| 2L2 | United States | Vermont | Marble | Florence |
| 2L3 | United States | Vermont | Marble | Florence |
| 13RB33 | United States | Utah | Marble | Payson |
| 8RB15 | United States | Utah | Limestone | Ephriam |
| 13RB23 | United States | Texas | Limestone | Austin |
| 11RA20 | United States | Texas | Marble | San Saba |
| 14RA28 | United States | Tennessee | Limestone | Carter's Station Creek |
| 11LA24 | United States | Tennessee | Marble | Knoxville |
| 14RB28 | United States | Tennessee | Limestone | Columbia |
| 11RA29 | United States | Tennessee | Limestone | Sherwood Station |
| 9La2 | United States | Tennessee | Marble | Morristown |
| 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 |
| 6RB18 | United States | Pennsylvania | Gneiss | Chester |
| 11LA7 | United States | Pennsylvania | Marble | Cedar Hollow Lime Co. |
| 6RB7 | United States | Pennsylvania | Sandstone | Cannonsburgh |
| 7La18 | United States | Pennsylvania | Quartzite | Mapleton |
| 8RB19 | United States | Pennsylvania | Sandstone | Corry |
| 6LA3 | United States | Pennsylvania | Sandstone | Wampum |
| 6LB13 | United States | Pennsylvania | Sandstone | Beaver Falls |
| 9LA18 | United States | Pennsylvania | Sandstone | Antrim |
| 13LB10 | United States | Ohio | Dolomite | Springfield |
| 8L48 | United States | Ohio | Sandstone | Berea |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 14LB13 | United States | Ohio | Limestone | Dayton |
| 6RA20 | United States | Ohio | Sandstone | Lancaster |
| 4L9 | United States | Ohio | Sandstone | Berea |
| 9LB23 | United States | Ohio | Sandstone | Marietta |
| 4R9 | United States | Ohio | Sandstone | Berea |
| 6RB20 | United States | Ohio | Sandstone | Amherst |
| 5LA18 | United States | Ohio | Sandstone | Plymouth |
| 5LA9 | United States | Ohio | Sandstone | Piketon |
| 8r48 | United States | Ohio | Sandstone | Berea |
| 9RB21 | United States | Ohio | Sandstone | Berea |
| 6RB39 | United States | Ohio | Sandstone | Sunbury |
| 12RA29 | United States | Ohio | Marble | Spring Mills |
| 14RB13 | United States | Ohio | Dolomite | Sandusky |
| 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 |
| 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 |
| 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. |
| 7RB45 | United States | New Mexico | Tuff | Santa Fe |
| 7RA44 | United States | New Mexico | Sandstone | Las Vegas |
| 6LB42 | United States | New Jersey | Sandstone | Stockton |
| 10RA35 | United States | New Hampshire | Granite | Roxbury |
| 10RA37 | United States | New Hampshire | Granite | Mason |
| 10RA40 | United States | New Hampshire | Granite | Milford |