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Stone description: light gray
| Wall Number | Country Sort descending | State | Classification | Source |
|---|---|---|---|---|
| 14RB28 | United States | Tennessee | Limestone | Columbia |
| 6RB7 | United States | Pennsylvania | Sandstone | Cannonsburgh |
| 11LA8 | United States | Kansas | Limestone | Florence |
| 13RB2 | United States | Illinois | Dolomite | Joilet |
| 5RA15 | United States | Ohio | Sandstone | Cambridge |
| 8RA13 | United States | Indiana | Limestone | Bedford |
| 12RA34 | United States | Indiana | Limestone | Oakalla |
| 6RQ | United States | Ohio | Sandstone | McDermont |
| 11LB14 | United States | Missouri | Dolomite | Stoutland |
| 13RB23 | United States | Texas | Limestone | Austin |
| 5RA39 | United States | Maryland | Gneiss | Baltimore |
| 8RA14 | United States | Indiana | Limestone | Avoca |
| 12RA36 | United States | Kentucky | Limestone | Garrett |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 7La18 | United States | Pennsylvania | Quartzite | Mapleton |
| 11LB2 | United States | Wisconsin | Dolomite | Fon du Lac |
| 13RB24 | United States | Nebraska | Limestone | Glen Rock |
| 5RB2 | United States | Ohio | Sandstone | Canal Dover Tuscarawas Co. |
| 8RA16 | United States | Indiana | Limestone | Ellettsville |
| 5RB24 | United States | North Carolina | Granite | Warrenton |
| 8RA17 | United States | Kentucky | Limestone | Franklin |
| 12RA4 | United States | Illinois | Limestone | Quincy |
| 14RB45 | United States | Kentucky | Limestone | Frankfort |
| 7LA22 | United States | North Carolina | Granite | Asheville |
| 11LB45 | United States | Kentucky | Sandstone | Whitney Co. |
| 13RB33 | United States | Utah | Marble | Payson |
| 11RA13 | United States | Missouri | Dolomite | De Soto |
| 13RB38 | United States | Illinois | Limestone | Sagetown |
| 5RB25 | United States | North Carolina | Granite | Louisburg |
| 8RA24 | United States | North Carolina | Sandstone | Durham |
| 12RB14 | United States | Missouri | Dolomite | St. Louis |
| 17B | United States | Massachusetts | Granite | W. Chelmsford |
| 7LA23 | United States | North Carolina | Granite | Buckhorn Falls |
| 11RA14 | United States | Iowa | Dolomite | Lansing |
| 13RB39 | United States | Illinois | Limestone | Columbia |
| 5RB26 | United States | Maryland | Conglomerate | Cumberland |
| 8RA36 | United States | Missouri | Sandstone | Nevada |
| 12RB36 | United States | Indiana | Limestone | Bedford |
| 1B | United States | Massachusetts | Granite | W. Chelmsford |
| 7LA28 | United States | Kentucky | Sandstone | Grayson Spgs |
| 11RA20 | United States | Texas | Marble | San Saba |
| 13RB4 | United States | Wisconsin | Dolomite | Byron |
| 5RB44 | United States | New Hampshire | Granite | Marlborough |
| 8RB15 | United States | Utah | Limestone | Ephriam |
| 10La21 | United States | Missouri | Limestone | Springfield |
| 12RB40 | United States | Alabama | Limestone | Turks Cave |
| 1R4 | United States | Connecticut | Granite | Reynold's Bridge |
| 7LA31 | United States | Colorado | Sandstone | Fort Collins |
| 11RA21 | United States | Missouri | Limestone | St. Louis |
| 13RB43 | United States | Kentucky | Limestone | Litchfield |
| 6LA20 | United States | Ohio | Sandstone | Newark |
| 8RB19 | United States | Pennsylvania | Sandstone | Corry |
| 10LA49 | United States | Michigan | Quartzite | Vulcan |
| 13LA11 | United States | Ohio | Limestone | Piqua River |
| 1R5 | United States | Connecticut | Granite | Thomaston |
| 7LB35 | United States | Nevada | Andesite | Reno |
| 11RA23 | United States | Nebraska | Limestone | Roca |
| 13RB44 | United States | Kentucky | Limestone | Frankfort |
| 6LA26 | United States | Maine | Granite | Lincolnville |
| 8RB7 | United States | Nebraska | Limestone | Roca |
| 10LB34 | United States | Connecticut | Gneiss | Roxbury |
| 13LA12 | United States | Ohio | Dolomite | Freemont |
| 2B | United States | North Carolina | Granite | Mt. Airy |
| 7LB37 | United States | Massachusetts | Gneiss | Westford |
| 11RA27 | United States | Kansas | Limestone | Cottonwood |
| 13rb46 | United States | Alabama | Limestone | Leighton |
| 6LA3 | United States | Pennsylvania | Sandstone | Wampum |
| 8rb9 | United States | Ohio | Limestone | Xenia |
| 13LA16 | United States | Iowa | Limestone | Fort Dodge |
| 2c | United States | Alabama | Limestone | Rockwood |
| 7RA31 | United States | Colorado | Sandstone | Coal Creek |
| 11RA29 | United States | Tennessee | Limestone | Sherwood Station |
| 14LA13 | United States | Ohio | Dolomite | Urbana |
| 6LA33 | United States | Colorado | Sandstone | Trinidad |
| 9La10 | United States | Iowa | Limestone | Keosauque Station |
| 10LB44 | United States | New Hampshire | Granite | Manchester |
| 13LA2 | United States | Illinois | Dolomite | Lemont |
| 2L10 | United States | Vermont | Marble | Florence |
| 7RA44 | United States | New Mexico | Sandstone | Las Vegas |
| 11RA3 | United States | Illinois | Dolomite | Lemont |
| 14LA2 | United States | Illinois | Dolomite | Aurora |
| 6LA44 | United States | New Hampshire | Granite | Troy |
| 9LA13 | United States | Kansas | Limestone | Manhattan |
| 10Lb46 | United States | Wisconsin | Sandstone | Mauston |
| 13LA20 | United States | Iowa | Coral | Iowa City |
| 2L12 | United States | Vermont | Marble | Florence |
| 7ra8 | United States | Alabama | Limestone | Dickson |
| 11RB1 | United States | Illinois | Dolomite | Joilet |
| 14LA3 | United States | Illinois | Dolomite | Joilet |
| 6LB13 | United States | Pennsylvania | Sandstone | Beaver Falls |
| 9LA18 | United States | Pennsylvania | Sandstone | Antrim |
| 10RA23 | United States | Kansas | Limestone | Eldorado |
| 13LA37 | United States | New York | Limestone | Cottonwood Sta. |
| 2L2 | United States | Vermont | Marble | Florence |
| 7RA9 | United States | Alabama | Limestone | Tuscumbia |
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| 6LB20 | United States | Ohio | Sandstone | Sunbury |
| 9La2 | United States | Tennessee | Marble | Morristown |
| 13LA40 | United States | Ohio | Limestone | Newtonville |
| 2L3 | United States | Vermont | Marble | Florence |