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Stone description: buff
| Wall Number | Country | State | Classification Sort ascending | Source |
|---|---|---|---|---|
| 9RA38 | Spain | tuff | Alamazanon | |
| 5RB45 | Hungary | Conglomerate | Hundscheim | |
| 11LB27 | United States | Arkansas | Quartzite | Bald Knob |
| 9LB32 | United States | New York | Quartzite | Fort Ann |
| 10LA40 | Mexico | Tuff | Zacatecas State | |
| 12RA25 | Italy | Travertine | Tivoli | |
| 10LA29 | Italy | Travertine | Tivoli | |
| 12LA26 | Italy | Travertine | Tivoli | |
| 10RA28 | Italy | Travertine | Tivoli | |
| 11LA13 | United States | Missouri | Dolomite | Booneville |
| 13ra10 | United States | Ohio | Dolomite | Bellefountaine |
| 12RA9 | United States | Minnesota | Dolomite | Kasota |
| 13RA14 | United States | Iowa | Dolomite | Dixon Sta. |
| 12RB15 | United States | Iowa | Dolomite | Sabula |
| 13RA15 | United States | Iowa | Dolomite | Ames Station Story Co. |
| 11RA11 | United States | Missouri | Dolomite | Sedalia |
| 11RB15 | United States | Iowa | Dolomite | Lansing |
| 13RA7 | United States | Minnesota | Dolomite | Mankato |
| 13LA13 | United States | Iowa | Dolomite | Iowa Falls |
| 13RB15 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 13LA14 | United States | Iowa | Dolomite | La Porte |
| 12LA16 | United States | Iowa | Dolomite | Maquoketa |
| 13LA15 | United States | Iowa | Dolomite | St. Claire |
| 10RA12 | United States | Kansas | Dolomite | Richland Twp. Butler Co. |
| 14LA12 | United States | Ohio | Dolomite | Yellow Springs |
| 13LA4 | United States | Wisconsin | Dolomite | River Falls Pierce Co. |
| 14LA15 | United States | Iowa | Dolomite | Waterloo |
| 13LB11 | United States | Ohio | Dolomite | Covington |
| 14La4 | United States | Texas | Dolomite | San Saba |
| 14LB16 | United States | Iowa | Dolomite | Clemont |
| 12RA15 | United States | Missouri | Dolomite | Booneville |
| 14RA18 | United States | Iowa | Dolomite | Delphi |
| 8RA7 | Austria | Marble | Untersberg | |
| S2-134 | United States | Montana | Marble | Gardner |
| 8RB14 | United States | Texas | Marble | Austin |
| S2-168 | United States | Georgia | Marble | Marble Hill |
| 13LA24 | Austria | Marble | Untersberg | |
| 9LA6 | Austria | Marble | Castione | |
| 13LB36 | United States | Utah | Marble | Clinton |
| 5RA7 | United States | Ohio | Sandstone | Lewis Mills |
| 7EE | United States | Ohio | Sandstone | McDermott |
| 9RA22 | United States | Ohio | Sandstone | Newark |
| S2-132 | United States | Idaho | Sandstone | Boise |
| 7L20 | United States | Ohio | Sandstone | Glenmont |
| 9RA33 | United States | Minnesota | Sandstone | Jordan |
| 2EE | United States | Ohio | Sandstone | Glenmont |
| 5WE | United States | Pennsylvania | Sandstone | Elwood |
| 7LA19 | United States | Ohio | Sandstone | Akron |
| 9RA36 | United States | West Virginia | Sandstone | Kingwood |
| 6La13 | United States | Pennsylvania | Sandstone | Monongahela City |
| 9RA37 | Spain | Sandstone | Murcia | |
| S2-8 | United States | Idaho | Sandstone | Boise |
| 14WE | United States | Ohio | Sandstone | Amherst |
| 3EE | United States | Pennsylvania | Sandstone | Curwensville |
| 6LA21 | United States | Ohio | Sandstone | Warwick |
| 7LB31 | United States | Colorado | Sandstone | Fort Collins |
| 8RB20 | United States | Ohio | Sandstone | Middleburg Twp. Cuyahoga Co. |
| 15WE | United States | Ohio | Sandstone | Glenmont |
| 3RQ | United States | Ohio | Sandstone | Amherst |
| 6LA31 | United States | California | Sandstone | San Jose |
| 7R21 | United States | Ohio | Sandstone | Glenmont |
| 8RB34 | United States | Minnesota | Sandstone | Dakota |
| 10LA37 | United States | Kansas | Sandstone | Chanute |
| 3WE | United States | Pennsylvania | Sandstone | Curwensville |
| 6La4 | United States | Pennsylvania | Sandstone | Wampum |
| 8RB37 | United States | Missouri | Sandstone | Clinton |
| 11RQ | United States | Ohio | Sandstone | Glenmont |
| 6La8 | United States | Pennsylvania | Sandstone | Altoona |
| 9RB32 | United States | Missouri | Sandstone | Meadville |
| 10LB38 | United States | Colorado | Sandstone | Fremont Co.- Ark. River |
| 13RQ | United States | Ohio | Sandstone | Glenmont |
| 6La9 | United States | Pennsylvania | Sandstone | Waynesburgh |
| 7RB20 | United States | Ohio | Sandstone | Independence |
| 9LA22 | United States | Ohio | Sandstone | Logan |
| 9RB42 | Portugal | Sandstone | St. Miguel, Coimbra | |
| 13WE | United States | Ohio | Sandstone | McDermott |
| 1RQ | United States | Ohio | Sandstone | Amherst |
| 4WE | United States | Pennsylvania | Sandstone | Elwood |
| 6LB11 | United States | Pennsylvania | Sandstone | Sharon |
| 9La34 | United States | West Virginia | Sandstone | Kingwood |
| 5LA1 | United States | Ohio | Sandstone | Mt. Gilead |
| 6LB3 | United States | Pennsylvania | Sandstone | Oil City |
| 8LB20 | United States | Ohio | Sandstone | Berea |
| S1-3 | United States | Unknown | Sandstone | Unknown |
| 5LA15 | United States | Ohio | Sandstone | Rockville |
| 6LB30 | United States | Kentucky | Sandstone | Cloveport |
| 8LB31 | United States | Kentucky | Sandstone | Cloveport |
| 9Lb17 | United States | Pennsylvania | Sandstone | Homewood |
| S1-34 | United States | Pennsylvania | Sandstone | Curwensville |
| 22EE | United States | Ohio | Sandstone | McDermott |
| 5LA28 | United States | Kentucky | Sandstone | Grayson Spgs |
| 6RA14 | United States | Pennsylvania | Sandstone | Fuller |
| 8LB36 | Scotland | Sandstone | Thurso | |
| 9LB21 | United States | Ohio | Sandstone | Twinsburg |
| S1-35 | United States | Ohio | Sandstone | Glenmont |
| 10RA32 | United States | Kansas | Sandstone | Parsons |
| 5Lb3 | United States | Ohio | Sandstone | Zanesville |
| 6RA21 | United States | Ohio | Sandstone | Ridgeville |
| S1-4 | United States | Unknown | Sandstone | Unknown |
| 10RA33 | United States | Kansas | Sandstone | Neodesha |