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Stone description: gray
| Wall Number | Country Sort descending | State | Classification | Source |
|---|---|---|---|---|
| 11LB25 | Italy | Sandstone | Leghorn | |
| 1L14 | Italy | Marble | Carrara | |
| 1R14 | Italy | Marble | Carrara | |
| 11RA33 | Italy | Marble | Serravezza | |
| 12LA27 | Italy | Marble | Serravezza | |
| 4L1 | Italy | Marble | Carrara | |
| 4R1 | Italy | Marble | Carrara | |
| 12RA26 | Italy | Marble | Serravezza | |
| 9RA32 | Italy | Sandstone | Leghorn | |
| 11LA29 | Italy | Marble | Serravezza | |
| 10RB35 | Mexico | Pumice | San Juan, Pueblo State | |
| 8RA2 | Portugal | Limestone | Freguesias, Coimbra | |
| 8LB1 | Portugal | Marble | Alvrite, Coimbra | |
| 9LA15 | Siam (Thailand) | Marble | ? | |
| 11LB21 | United States | Missouri | Limestone | Paris |
| 16WE | United States | Indiana | Limestone | Bedford |
| 5LB5 | United States | Ohio | Sandstone | Newburgh |
| 6RA38 | United States | North Carolina | Granite | Gaston Co. |
| 8LB26 | United States | North Carolina | Granite | Charlotte |
| S2-7 | United States | Ohio | Sandstone | McDermott |
| 10Lb31 | United States | Maine | Granite | W. Sullivan |
| 12RB7 | United States | New York | Limestone | Indian Res. Onondaga Co. |
| 5LA13 | United States | Ohio | Sandstone | New Lisbon |
| 6C | United States | Indiana | Limestone | ? |
| 7Lb42 | United States | New Hampshire | Granite | W. Concord |
| S1-1 | United States | Ohio | Sandstone | McDermott |
| 5LB7 | United States | Ohio | Sandstone | N. Bloomfield |
| 6RA43 | United States | New Hampshire | Gneiss | Petersborough |
| 8Lb32 | United States | Texas | Sandstone | Riverside |
| S2-76 | United States | New Hampshire | Granite | Concord |
| 10Lb36 | United States | Kansas | Sandstone | Pawnee |
| 13LA21 | United States | Iowa | Limestone | Quarry, Marshall Co. |
| 5LA14 | United States | Ohio | Sandstone | Columbus |
| 6EE | United States | Ohio | Sandstone | McDermott |
| 7LQ | United States | Tennessee | Marble | Knoxville |
| S1-10 | United States | Indiana | Limestone | Bedford |
| 11LB30 | United States | Missouri | Sandstone | Butler |
| 5RA11 | United States | Ohio | Sandstone | Lithopolis |
| 6RA47 | United States | Wisconsin | Quartzite | Waterloo |
| 8LB39 | United States | West Virginia | Sandstone | Wheeling |
| S2-77 | United States | New Hampshire | Granite | Concord |
| 10LB43 | United States | New Hampshire | Granite | Hanover |
| 13LA27 | United States | Tennessee | Limestone | Nashville |
| 5LA16 | United States | Ohio | Sandstone | Windsor |
| 6LA25 | United States | Maine | Granite | Wayne |
| 7RA20 | United States | Ohio | Sandstone | Elyria |
| S1-11 | United States | Rhode Island | Granite | Westerly |
| 11LB31 | United States | Kansas | Sandstone | Pawnee |
| 1Lq | United States | Missouri | Limestone | Carthage |
| 5RA12 | United States | Ohio | Sandstone | Euclid |
| 6RB16 | United States | Pennsylvania | Diabase | Round Top Gettysburg |
| 8RA15 | United States | Indiana | Limestone | Putnamville |
| S2-80 | United States | New Hampshire | Granite | Concord |
| 10LB45 | United States | New Hampshire | Granite | Plymouth |
| 13LB27 | United States | Tennessee | Limestone | Cowan |
| 5LA21 | United States | North Carolina | Gneiss | Greensborough |
| 6LA27 | United States | Maine | Granite | Swanville |
| 7RA23 | United States | North Carolina | Granite | Gastonia |
| S1-17 | United States | Unknown | Granite | Unknown |
| 11LB37 | United States | Virginia | Granite | Manchester |
| 5RA13 | United States | Ohio | Sandstone | Marietta |
| 6RB2 | United States | Pennsylvania | Sandstone | Franklin |
| S2-93 | United States | Vermont | Granite | Derby |
| 10RA10 | United States | New York | Limestone | Prescott |
| 13LB38 | United States | New York | Marble | Port Henry |
| 5LA24 | United States | Maine | Granite | S. Brookville |
| 6LA28 | United States | New York | Sandstone | Olean |
| 7RA26 | United States | New York | Sandstone | Camden |
| S1-2 | United States | Ohio | Sandstone | McDermott |
| 11LB39 | United States | Virginia | Granite | Manchester |
| 24WE | United States | Indiana | Limestone | Bedford |
| 5RA16 | United States | Ohio | Sandstone | Leesville |
| 6RB27 | United States | Maine | Granite | Franklin |
| 8RA38 | United States | Arizona | Tuff | Kirkland |
| S3-1 | United States | Indiana | Limestone | Bedford |
| 10RA13 | United States | Ohio | Dolomite | White House |
| 13LB42 | United States | Illinois | Limestone | Iuka |
| 5LA25 | United States | Maine | Granite | Frankfort |
| 6La30 | United States | Kentucky | Sandstone | Livingstone |
| 7RA29 | United States | California | Sandstone | Angel Island |
| S1-20 | United States | Unknown | Granite | Unknown |
| 11LB41 | United States | Washington | Sandstone | Bellingham |
| 25WE | United States | Ohio | Sandstone | Amherst |
| 5RA20 | United States | Massachusetts | Granite | Wyoma |
| 6RB3 | United States | Pennsylvania | Sandstone | Kiasola Station Beaver Co. |
| 8RA39 | United States | West Virginia | Sandstone | Charleston |
| S3-10 | United States | Arkansas | Limestone | Batesville |
| 10RA15 | United States | Ohio | Dolomite | White House |
| 13LB9 | United States | Ohio | Dolomite | Sandusky |
| 5LA29 | United States | California | Granite | Rocklin |
| 6LA37 | United States | Connecticut | Granite | Groton |
| 7RA32 | United States | Minnesota | Sandstone | Dresback |
| S1-23 | United States | Massachusetts | Granite | Quincy |
| 11LB42 | United States | North Carolina | Gneiss | Hickory |
| 26EE | United States | Arkansas | Limestone | Batesville |
| 5RA22 | United States | North Carolina | Granite | Poison Springs |
| 6RB31 | United States | Texas | Granite | Nr. Llano |
| 8RA42 | United States | Oregon | Basalt | Clackamas Station Clackamas Co |
| S3-11 | United States | Ohio | Sandstone | McDermott |
| 10RA31 | United States | Kansas | Sandstone | Parsons |