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Stone description: coarse grain
| Wall Number | Country | State | Classification | Source Sort descending |
|---|---|---|---|---|
| 6RB13 | United States | Pennsylvania | Conglomerate | Friedensburg |
| 6RA14 | United States | Pennsylvania | Sandstone | Fuller |
| 6RA9 | United States | Pennsylvania | Sandstone | Garland |
| 6RA38 | United States | North Carolina | Granite | Gaston Co. |
| 12RB21 | United States | Missouri | Limestone | Glencoe |
| 5LB17 | United States | Massachusetts | Granite | Gloucester |
| 5LB18 | United States | Massachusetts | Granite | Gloucester |
| 8LB22 | United States | Massachusetts | Granite | Gloucester |
| 5LB8 | United States | Massachusetts | Granite | Gloucester |
| 5LB16 | United States | Massachusetts | Granite | Gloucester |
| 10Lb37 | United States | West Virginia | Sandstone | Grafton |
| 10RB41 | United States | Maryland | Granite | Granite |
| 10LA25 | United States | Kansas | Limestone | Greeley |
| 8ra41 | United States | New Jersey | Sandstone | Greensburg |
| 8Lb8 | United States | Ohio | Limestone | Hamilton |
| 12LB15 | United States | Missouri | Limestone | Hannibal |
| 10RB7 | United States | Missouri | Limestone | Hannibal |
| 10LB43 | United States | New Hampshire | Granite | Hanover |
| 5LB21 | United States | North Carolina | Gneiss | Henry's Station McDowel Co. |
| 11LB42 | United States | North Carolina | Gneiss | Hickory |
| 7B | United States | Maine | Granite | High Pine |
| 11RA9 | United States | Delaware | Marble | Hockessin |
| 9Lb17 | United States | Pennsylvania | Sandstone | Homewood |
| 6RA8 | United States | Pennsylvania | Sandstone | Homewood |
| 5RA6 | United States | Ohio | Sandstone | Howard Station Knox Co. |
| 6RB38 | Mexico | Tuff | Huehutoca | |
| 6RA3 | United States | Pennsylvania | Sandstone | Hummelstown |
| 5RB45 | Hungary | Conglomerate | Hundscheim | |
| 9RB23 | United States | Maine | Granite | Hurricane Isl. |
| 6LA40 | United States | Maryland | Granite | Ilchester |
| 7RB20 | United States | Ohio | Sandstone | Independence |
| 5RB8 | United States | Ohio | Sandstone | Independence |
| 9RA12 | United States | Iowa | Limestone | Iowa City |
| 10RA29 | Mexico | Andesite | Ixtapalapa | |
| 5LB20 | United States | North Carolina | Gneiss | Jamestown |
| 6RB3 | United States | Pennsylvania | Sandstone | Kiasola Station Beaver Co. |
| 2R4 | United States | Tennessee | Marble | Knoxville |
| 12RA5 | United States | Tennessee | Limestone | Knoxville |
| 2L4 | United States | Tennessee | Marble | Knoxville |
| 8RA44 | United States | Michigan | Sandstone | L'Anse |
| 10LB20 | United States | Ohio | Sandstone | Lancaster |
| 9LA21 | United States | Ohio | Sandstone | Lancaster |
| 11RB15 | United States | Iowa | Dolomite | Lansing |
| 10LA45 | United States | New Hampshire | Granite | Lebanon |
| 1R2 | United States | Connecticut | Granite | Leete Isl. |
| 9RA32 | Italy | Sandstone | Leghorn | |
| 11LB25 | Italy | Sandstone | Leghorn | |
| 10LB8 | Hungary | Limestone | Leitha Mts. | |
| 5LB45 | Hungary | Conglomerate | Leitha Mts. | |
| 7RA6 | Hungary | Limestone | Leitha Mts. | |
| 11LB26 | United States | Iowa | Sandstone | Lewis |
| 5RA7 | United States | Ohio | Sandstone | Lewis Mills |
| 7LB25 | United States | Maine | Granite | Lincoln |
| 10RA2 | United States | Washington | Marble | Lincoln Co. |
| 5LB27 | Austria | Conglomerate | Lindabrunn | |
| 13LB5 | United States | New York | Marble | Lockport |
| 9LA22 | United States | Ohio | Sandstone | Logan |
| 12RB11 | United States | Kentucky | Limestone | Lulbergrude Cr. Clark Co. |
| 5LB35 | United States | Connecticut | Gneiss | Lyme |
| 3D | United States | Virginia | Greenstone | Lynchburg |
| 1D | United States | Virginia | Greenstone | Lynchburg |
| 2D | United States | Virginia | Greenstone | Lynchburg |
| 13RA19 | United States | Iowa | Limestone | Macedonia |
| 11LB33 | United States | New Hampshire | Granite | Manchester |
| 7RA7 | Hungary | Limestone | Mannersdorf | |
| 9LB22 | United States | Ohio | Sandstone | Mansfield |
| 5RA19 | United States | Ohio | Sandstone | Mansfield |
| 14LB37 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 7LA4 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 7LA6 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 7LB9 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 6RB21 | United States | Ohio | Sandstone | Marietta |
| 10RB49 | United States | Wisconsin | Quartz | Marquette |
| 6LB2 | United States | Pennsylvania | Sandstone | Mauch Chunk |
| 9LA36 | United States | New Jersey | Conglomerate | May's Landing Atlantic Co. |
| 9RA18 | United States | Pennsylvania | Sandstone | Meadville |
| 5RA25 | United States | North Carolina | Granite | Mecklenburg Co. |
| 8LA23 | United States | Massachusetts | Diabase | Medford |
| 4B | United States | Massachusetts | Granite | Milford |
| 4RB17 | United States | Maine | Granite | Milford |
| 6LB21 | United States | Ohio | Sandstone | Millersburg |
| 6La13 | United States | Pennsylvania | Sandstone | Monongahela City |
| 10LB17 | United States | Pennsylvania | Soapstone | Montgomery Co. |
| 7RB16 | United States | Pennsylvania | Soapstone | Montgomery Co. |
| 13RB8 | United States | Pennsylvania | Limestone | Morrell |
| 13RB27 | United States | Colorado | Limestone | Morrison |
| 5LB42 | United States | New Jersey | Conglomerate | Morristown |
| 5LA41 | United States | New Jersey | Granite | Morristown |
| 10Lb30 | United States | Maine | Granite | Mt. Desert |
| 14RB36 | Spain | Limestone | Murcia, Murcia | |
| 13RA35 | Spain | Limestone | Murcia, Murcia | |
| 5RB15 | United States | Massachusetts | Granite | N. Easton |
| 6RA39 | United States | Massachusetts | Granite | N. Easton |
| 7LB11 | Austria | Marble | Nabresina | |
| 5LA13 | United States | Ohio | Sandstone | New Lisbon |
| 5LB4 | United States | Ohio | Sandstone | New Philadelphia |
| 9LA27 | Australia | Sandstone | New South Wales | |
| 4L8 | Australia | Sandstone | New South Wales | |
| 9LB26 | Australia | Sandstone | New South Wales | |
| 9LB27 | Australia | Sandstone | New South Wales |