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Stone description: fine grain
| Wall Number | Country | State Sort ascending | Classification | Source |
|---|---|---|---|---|
| 10RB21 | United States | Pennsylvania | Argillite (Slate) | Slatington |
| 9La17 | United States | Pennsylvania | Sandstone | Schickshinny Luzerne Co. |
| 6RB17 | United States | Pennsylvania | Gneiss | Philadelphia |
| 9LA20 | United States | Pennsylvania | Sandstone | Pond Eddy |
| 6RB18 | United States | Pennsylvania | Gneiss | Chester |
| 7RA13 | United States | Pennsylvania | Limestone | Harrisburg |
| 8RB19 | United States | Pennsylvania | Sandstone | Corry |
| 6RB2 | United States | Pennsylvania | Sandstone | Franklin |
| 7RA15 | United States | Pennsylvania | Limestone | Lebanon |
| 7RA16 | United States | Pennsylvania | Limestone | Wernersville |
| 7RA17 | United States | Pennsylvania | Argillite (Slate) | Slatedale |
| 8RA19 | United States | Pennsylvania | Sandstone | Lumberton |
| 14LB38 | United States | Pennsylvania | Limestone | Palmyra |
| 10La8 | United States | Pennsylvania | Dolomite | Easton |
| 12RB31 | United States | Pennsylvania | Marble | Morristown |
| 13Lb8 | United States | Pennsylvania | Marble | Lancaster |
| 6Lb5 | United States | Pennsylvania | Sandstone | Nicholson |
| 10L51 | United States | Pennsylvania | Argillite (Slate) | Lynnport |
| 14LB39 | United States | Pennsylvania | Limestone | Hyndman |
| 12RB32 | United States | Pennsylvania | Limestone | Huntingdon |
| 6LB6 | United States | Pennsylvania | Sandstone | Prospect |
| 11LA7 | United States | Pennsylvania | Marble | Cedar Hollow Lime Co. |
| 6LB8 | United States | Pennsylvania | Sandstone | Webster |
| 10LB18 | United States | Pennsylvania | Argillite (Slate) | Lynnport |
| 14RB9 | United States | Pennsylvania | Dolomite | Chambersburg |
| 6RA1 | United States | Pennsylvania | Sandstone | Mainesburgh |
| 8LB17 | United States | Pennsylvania | Limestone | Richland Station Lebanon Co. |
| 10Lb19 | United States | Pennsylvania | Sandstone | Stoop's Ferry |
| 6RA10 | United States | Pennsylvania | Sandstone | Johnstown |
| 13LA8 | United States | Pennsylvania | Dolomite | Plymouth |
| 6RA17 | United States | Pennsylvania | Sandstone | Greensburgh |
| 6LA6 | United States | Pennsylvania | Sandstone | Scottsdale |
| 9RA17 | United States | Pennsylvania | Argillite (Slate) | Lynnport |
| 14RB10 | United States | Pennsylvania | Dolomite | Leaman Place Lancaster Co. |
| 6RA18 | United States | Pennsylvania | Sandstone | Danville |
| 13RB36 | United States | Pennsylvania | Limestone | N. Annville |
| 14LB9 | United States | Pennsylvania | Limestone | Flourtown |
| 6La7 | United States | Pennsylvania | Sandstone | Meshoppen |
| 9RA19 | United States | Pennsylvania | Sandstone | Franklin |
| 6RA19 | United States | Pennsylvania | Quartzite | Jacksonwald |
| 8La18 | United States | Pennsylvania | Argillite (Slate) | Bangor |
| 11RB8 | United States | Pennsylvania | Dolomite | Carlisle |
| 13RB37 | United States | Pennsylvania | Limestone | Myerstown |
| 8RA42 | United States | Oregon | Basalt | Clackamas Station Clackamas Co |
| 9RB37 | United States | Oregon | Sandstone | Oakland |
| 9RB38 | United States | Oregon | Sandstone | Near Albany |
| 11RB33 | United States | Oregon | Sandstone | Jacksonville |
| 9Lb34 | United States | Oregon | Sandstone | Jacksonville |
| 11RB34 | United States | Oregon | Sandstone | Dallas |
| 9Lb37 | United States | Oregon | Sandstone | Forest Grove |
| 9Lb38 | United States | Oregon | Diabase | Ashland |
| 5LB7 | United States | Ohio | Sandstone | N. Bloomfield |
| 9RA21 | United States | Ohio | Sandstone | Monclava |
| 14RB13 | United States | Ohio | Dolomite | Sandusky |
| 7Lb19 | United States | Ohio | Sandstone | Portsmouth |
| 14RA12 | United States | Ohio | Dolomite | Tiffin |
| 8LA20 | United States | Ohio | Sandstone | Portsmouth |
| 12LA10 | United States | Ohio | Dolomite | Euphemia |
| 14ra13 | United States | Ohio | Dolomite | Columbus Grove |
| 5RA10 | United States | Ohio | Sandstone | Berea |
| 13la10 | United States | Ohio | Limestone | Covington |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 5RA11 | United States | Ohio | Sandstone | Lithopolis |
| 12LB31 | United States | Ohio | Limestone | Zanesville |
| 13LA11 | United States | Ohio | Limestone | Piqua River |
| 4L9 | United States | Ohio | Sandstone | Berea |
| 5RA12 | United States | Ohio | Sandstone | Euclid |
| 13LA12 | United States | Ohio | Dolomite | Freemont |
| 5RA13 | United States | Ohio | Sandstone | Marietta |
| 5RA16 | United States | Ohio | Sandstone | Leesville |
| 9RB21 | United States | Ohio | Sandstone | Berea |
| 6LB20 | United States | Ohio | Sandstone | Sunbury |
| 6RQ | United States | Ohio | Sandstone | McDermont |
| 5RA2 | United States | Ohio | Sandstone | Iberia |
| 5RQ | United States | Ohio | Sandstone | Kipton |
| 14LB11 | United States | Ohio | Dolomite | Greenfield |
| 8rb9 | United States | Ohio | Limestone | Xenia |
| 14LB12 | United States | Ohio | Dolomite | Tiffin |
| 8RQ | United States | Ohio | Sandstone | McDermont |
| 14LB13 | United States | Ohio | Limestone | Dayton |
| 5LA5 | United States | Ohio | Sandstone | Piketon |
| 12rb12 | United States | Ohio | Dolomite | Bath Twp. Allen Co. |
| 14LA12 | United States | Ohio | Dolomite | Yellow Springs |
| 5LA7 | United States | Ohio | Sandstone | Millersburg |
| 12RB13 | United States | Ohio | Dolomite | Holmes Twp. Crawford C. |
| 14LA13 | United States | Ohio | Dolomite | Urbana |
| 5LA9 | United States | Ohio | Sandstone | Piketon |
| 4R9 | United States | Ohio | Sandstone | Berea |
| 5RA4 | United States | Ohio | Sandstone | Buena Vista |
| 7LA19 | United States | Ohio | Sandstone | Akron |
| 14RB40 | United States | Ohio | Limestone | Piqua |
| 5LB1 | United States | Ohio | Sandstone | N. Hampton |
| 6LA20 | United States | Ohio | Sandstone | Newark |
| 12RA12 | United States | Ohio | Dolomite | Lexington |
| 13RB10 | United States | Ohio | Dolomite | Sandusky |
| 11LA33 | United States | Ohio | Limestone | Lumberton |
| 12RA13 | United States | Ohio | Dolomite | Lima |
| 13RB11 | United States | Ohio | Dolomite | Yellow Springs |
| 8r48 | United States | Ohio | Sandstone | Berea |
| 12RA14 | United States | Ohio | Limestone | Dayton |