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Stone description: light gray
| Wall Number Sort descending | Country | State | Classification | Source |
|---|---|---|---|---|
| 14LA13 | United States | Ohio | Dolomite | Urbana |
| 14LA2 | United States | Illinois | Dolomite | Aurora |
| 14LA3 | United States | Illinois | Dolomite | Joilet |
| 14LA45 | Portugal | Limestone | Ega, Coimbra | |
| 14LA46 | Portugal | Limestone | Janianes, Coimbra | |
| 14LA5 | United States | Wisconsin | Dolomite | Eden |
| 14LA6 | United States | Wisconsin | Dolomite | Taycheedah Twp. Fon du Lac Co. |
| 14LB1 | United States | Indiana | Dolomite | Montpelier |
| 14LB13 | United States | Ohio | Limestone | Dayton |
| 14LB15 | United States | Iowa | Dolomite | Manchester |
| 14LB43 | United States | Nebraska | Limestone | LaPlatte |
| 14Lb46 | United States | Kentucky | Limestone | Princeton |
| 14RA10 | United States | Pennsylvania | Dolomite | Mill Lane Chester Co. |
| 14RA15 | United States | Iowa | Dolomite | Winterset |
| 14RA16 | United States | Iowa | Dolomite | Franklin |
| 14RA2 | United States | Illinois | Dolomite | Joilet |
| 14RA28 | United States | Tennessee | Limestone | Carter's Station Creek |
| 14RB12 | United States | Indiana | Limestone | Oakdale |
| 14RB13 | United States | Ohio | Dolomite | Sandusky |
| 14RB16 | United States | Iowa | Dolomite | Franklin |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 14RB21 | United States | Iowa | Limestone | Pella Station, Marion Co. |
| 14RB28 | United States | Tennessee | Limestone | Columbia |
| 14RB36 | Spain | Limestone | Murcia, Murcia | |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 14RB45 | United States | Kentucky | Limestone | Frankfort |
| 17B | United States | Massachusetts | Granite | W. Chelmsford |
| 1B | United States | Massachusetts | Granite | W. Chelmsford |
| 1R4 | United States | Connecticut | Granite | Reynold's Bridge |
| 1R5 | United States | Connecticut | Granite | Thomaston |
| 2B | United States | North Carolina | Granite | Mt. Airy |
| 2c | United States | Alabama | Limestone | Rockwood |
| 2L10 | United States | Vermont | Marble | Florence |
| 2L12 | United States | Vermont | Marble | Florence |
| 2L2 | United States | Vermont | Marble | Florence |
| 2L3 | United States | Vermont | Marble | Florence |
| 2L9 | United States | Vermont | Marble | Florence |
| 2R10 | United States | Vermont | Marble | Florence |
| 2R12 | United States | Vermont | Marble | Florence |
| 2R2 | United States | Vermont | Marble | Florence |
| 2R3 | United States | Vermont | Marble | Florence |
| 2R9 | United States | Vermont | Marble | Florence |
| 4L9 | United States | Ohio | Sandstone | Berea |
| 4LB12 | United States | Indiana | Limestone | Salem |
| 4R9 | United States | Ohio | Sandstone | Berea |
| 4RB12 | United States | Indiana | Limestone | Salem |
| 5B | United States | Maine | Granite | North Jay |
| 5LA18 | United States | Ohio | Sandstone | Plymouth |
| 5LA9 | United States | Ohio | Sandstone | Piketon |
| 5LB12 | United States | Massachusetts | Granite | Freetown |
| 5LB15 | United States | Massachusetts | Gneiss | Westford |
| 5LB30 | United States | Georgia | Granite | Ogelsby |
| 5LB32 | United States | Colorado | Granite | Lawson |
| 5LB38 | United States | Maryland | Gneiss | Baltimore |
| 5RA15 | United States | Ohio | Sandstone | Cambridge |
| 5RA39 | United States | Maryland | Gneiss | Baltimore |
| 5RB2 | United States | Ohio | Sandstone | Canal Dover Tuscarawas Co. |
| 5RB24 | United States | North Carolina | Granite | Warrenton |
| 5RB25 | United States | North Carolina | Granite | Louisburg |
| 5RB26 | United States | Maryland | Conglomerate | Cumberland |
| 5RB44 | United States | New Hampshire | Granite | Marlborough |
| 6LA20 | United States | Ohio | Sandstone | Newark |
| 6LA26 | United States | Maine | Granite | Lincolnville |
| 6LA3 | United States | Pennsylvania | Sandstone | Wampum |
| 6LA33 | United States | Colorado | Sandstone | Trinidad |
| 6LA44 | United States | New Hampshire | Granite | Troy |
| 6LB13 | United States | Pennsylvania | Sandstone | Beaver Falls |
| 6LB20 | United States | Ohio | Sandstone | Sunbury |
| 6LB42 | United States | New Jersey | Sandstone | Stockton |
| 6LB45 | United States | Vermont | Granite | Brattleboro |
| 6RA10 | United States | Pennsylvania | Sandstone | Johnstown |
| 6RA11 | United States | Pennsylvania | Sandstone | Layton Station Fayette Co. |
| 6RA19 | United States | Pennsylvania | Quartzite | Jacksonwald |
| 6RA20 | United States | Ohio | Sandstone | Lancaster |
| 6RA4 | United States | Pennsylvania | Sandstone | Connellsville |
| 6RA44 | United States | New Hampshire | Granite | Milford |
| 6RB1 | United States | Pennsylvania | Quartzite | Huntingdon |
| 6RB18 | United States | Pennsylvania | Gneiss | Chester |
| 6RB20 | United States | Ohio | Sandstone | Amherst |
| 6RB24 | United States | North Carolina | Granite | Salisbury |
| 6RB28 | United States | New York | Sandstone | Canisteo |
| 6rb33 | United States | Colorado | Tuff | Castle rock |
| 6RB39 | United States | Ohio | Sandstone | Sunbury |
| 6RB40 | United States | Maryland | Gneiss | Mt. Royal |
| 6RB44 | United States | New Hampshire | Granite | Keene |
| 6RB46 | United States | Vermont | Granite | Barre |
| 6RB7 | United States | Pennsylvania | Sandstone | Cannonsburgh |
| 6RQ | United States | Ohio | Sandstone | McDermont |
| 7La18 | United States | Pennsylvania | Quartzite | Mapleton |
| 7LA22 | United States | North Carolina | Granite | Asheville |
| 7LA23 | United States | North Carolina | Granite | Buckhorn Falls |
| 7LA28 | United States | Kentucky | Sandstone | Grayson Spgs |
| 7LA31 | United States | Colorado | Sandstone | Fort Collins |
| 7LB35 | United States | Nevada | Andesite | Reno |
| 7LB37 | United States | Massachusetts | Gneiss | Westford |
| 7RA31 | United States | Colorado | Sandstone | Coal Creek |
| 7RA44 | United States | New Mexico | Sandstone | Las Vegas |
| 7ra8 | United States | Alabama | Limestone | Dickson |
| 7RA9 | United States | Alabama | Limestone | Tuscumbia |
| 7RB24 | United States | Maine | Granite | Augusta |