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Stone description: fine grain
| Wall Number Sort descending | Country | State | Classification | Source |
|---|---|---|---|---|
| 6LB6 | United States | Pennsylvania | Sandstone | Prospect |
| 6LB8 | United States | Pennsylvania | Sandstone | Webster |
| 6RA1 | United States | Pennsylvania | Sandstone | Mainesburgh |
| 6RA10 | United States | Pennsylvania | Sandstone | Johnstown |
| 6RA17 | United States | Pennsylvania | Sandstone | Greensburgh |
| 6RA18 | United States | Pennsylvania | Sandstone | Danville |
| 6RA19 | United States | Pennsylvania | Quartzite | Jacksonwald |
| 6RA2 | United States | Pennsylvania | Sandstone | Columbia |
| 6RA26 | United States | Maine | Granite | Chesterville |
| 6RA29 | United States | New York | Sandstone | Albion |
| 6RA30 | United States | Kentucky | Sandstone | Whitney Co. |
| 6RA33 | United States | Colorado | Sandstone | Greeley |
| 6RA35 | United States | Connecticut | Granite | Millstone Point |
| 6RA36 | United States | Connecticut | Gneiss | Gastonbury |
| 6RA37 | Mexico | Tuff | Zacatecas State | |
| 6RA4 | United States | Pennsylvania | Sandstone | Connellsville |
| 6RA42 | United States | New Jersey | Sandstone | Martinville |
| 6RA44 | United States | New Hampshire | Granite | Milford |
| 6RA46 | United States | Michigan | Gneiss | Vulcan |
| 6RA5 | United States | Pennsylvania | Sandstone | Mauch Chunk |
| 6RA6 | United States | Pennsylvania | Sandstone | Farrandsville |
| 6RA7 | United States | Pennsylvania | Sandstone | Derry Station Westmorland Co. |
| 6RB1 | United States | Pennsylvania | Quartzite | Huntingdon |
| 6RB14 | United States | Pennsylvania | Diabase | Reading |
| 6RB15 | United States | Pennsylvania | Argillite (Slate) | Bangor |
| 6RB16 | United States | Pennsylvania | Diabase | Round Top Gettysburg |
| 6RB17 | United States | Pennsylvania | Gneiss | Philadelphia |
| 6RB18 | United States | Pennsylvania | Gneiss | Chester |
| 6RB2 | United States | Pennsylvania | Sandstone | Franklin |
| 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 |
| 6RB35 | United States | Connecticut | Gneiss | Ansonia |
| 6RB36 | United States | Connecticut | Granite | Thomaston |
| 6RB37 | Mexico | Tuff | Oaxaca State | |
| 6RB39 | United States | Ohio | Sandstone | Sunbury |
| 6RB40 | United States | Maryland | Gneiss | Mt. Royal |
| 6RB44 | United States | New Hampshire | Granite | Keene |
| 6RB45 | United States | Vermont | Granite | Brunswick |
| 6RB46 | United States | Vermont | Granite | Barre |
| 6RB47 | United States | Vermont | Granite | Ryegate |
| 6RB5 | United States | Pennsylvania | Sandstone | Greenville |
| 6RB6 | United States | Pennsylvania | Sandstone | Center Bridge |
| 6RB7 | United States | Pennsylvania | Sandstone | Cannonsburgh |
| 6RB8 | United States | Pennsylvania | Sandstone | Black Walnut |
| 6RQ | United States | Ohio | Sandstone | McDermont |
| 7La12 | United States | Pennsylvania | Limestone | Hummelstown |
| 7La14 | United States | Pennsylvania | Limestone | Wernersville |
| 7La15 | United States | Pennsylvania | Limestone | Lebanon |
| 7La16 | United States | Pennsylvania | Limestone | Lebanon |
| 7LA17 | United States | Pennsylvania | Argillite (Slate) | Slatington |
| 7La18 | United States | Pennsylvania | Quartzite | Mapleton |
| 7LA19 | United States | Ohio | Sandstone | Akron |
| 7La2 | Portugal | Limestone | Porto Barrao, Coimbra | |
| 7LA21 | United States | North Carolina | Granite | Alamance Co. |
| 7LA22 | United States | North Carolina | Granite | Asheville |
| 7LA24 | United States | Maine | Granite | Round Pond |
| 7LA25 | United States | Maine | Granite | Vinal Haven |
| 7La26 | United States | New York | Sandstone | Oneonta |
| 7La27 | United States | New York | Sandstone | Hallihan's Hill |
| 7LA28 | United States | Kentucky | Sandstone | Grayson Spgs |
| 7LA29 | United States | California | Sandstone | Livermore |
| 7La30 | United States | Texas | Sandstone | Pecos |
| 7LA31 | United States | Colorado | Sandstone | Fort Collins |
| 7La32 | United States | Minnesota | Sandstone | Hinckley |
| 7LA36 | United States | Arizona | Tuff | Kirkland |
| 7LA37 | United States | Maryland | Serpentine | Deer Creek |
| 7LA38 | United States | Maryland | Serpentine | Baltimore |
| 7LA41 | United States | Montana | Sandstone | Columbus |
| 7LA42 | United States | New Hampshire | Granite | W. Concord |
| 7LB17 | United States | Pennsylvania | Gneiss | Chester |
| 7Lb19 | United States | Ohio | Sandstone | Portsmouth |
| 7LB22 | United States | North Carolina | Gneiss | Shelby |
| 7LB24 | United States | Maine | Granite | Pownal |
| 7LB27 | United States | New York | Sandstone | Phoenicia |
| 7LB28 | United States | Kentucky | Sandstone | Taylor Co. |
| 7LB29 | United States | California | Sandstone | Livermore |
| 7Lb30 | United States | Texas | Sandstone | Pecos |
| 7LB31 | United States | Colorado | Sandstone | Fort Collins |
| 7LB33 | United States | Connecticut | Gneiss | Haddam |
| 7LB37 | United States | Massachusetts | Gneiss | Westford |
| 7LB39 | United States | New Jersey | Sandstone | Pleasant Val. |
| 7LB40 | United States | New Jersey | Sandstone | Newark |
| 7Lb42 | United States | New Hampshire | Granite | W. Concord |
| 7LB44 | United States | Michigan | Sandstone | Stony Point |
| 7LB45 | United States | Michigan | Sandstone | L'Anse |
| 7LB7 | Austria | Marble | Castione | |
| 7RA1 | Portugal | Limestone | Covoes, Coimbra | |
| 7ra10 | United States | Arkansas | Marble | Nr. Batesville |
| 7RA11 | United States | Connecticut | Limestone | Shelterville |
| 7RA13 | United States | Pennsylvania | Limestone | Harrisburg |
| 7RA15 | United States | Pennsylvania | Limestone | Lebanon |
| 7RA16 | United States | Pennsylvania | Limestone | Wernersville |
| 7RA17 | United States | Pennsylvania | Argillite (Slate) | Slatedale |
| 7RA20 | United States | Ohio | Sandstone | Elyria |
| 7RA22 | United States | North Carolina | Quartzite | Hot Springs |
| 7RA23 | United States | North Carolina | Granite | Gastonia |
| 7RA26 | United States | New York | Sandstone | Camden |
| 7RA27 | United States | New York | Sandstone | Albion |