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Stone description: black
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 10RB41 | United States | Maryland | Granite | Granite |
| 12RA23 | United States | Tennessee | Limestone | Nashville |
| 9LB16 | United States | Maryland | Limestone | Mt. Pleasant |
| 12RA8 | United States | New York | Limestone | Cobleskill |
| 13LA6 | United States | New York | Limestone | Waterloo |
| 13RA5 | United States | New York | Limestone | Howe's Cave |
| 13RB26 | United States | Colorado | Limestone | Pitkin |
| 13RB6 | United States | New York | Limestone | Willsborough |
| 11LA4 | United States | New York | Limestone | Union Springs |
| 11RB5 | United States | New York | Limestone | Howe's Cave |
| 14LA9 | United States | Pennsylvania | Limestone | Spruce Creek Huntingdon Co. |
| 14LB39 | United States | Pennsylvania | Limestone | Hyndman |
| 14RA7 | United States | New York | Limestone | Saratoga |
| 12LB6 | United States | New York | Limestone | Schoharie |
| 12RA22 | Italy | Marble | Spezia, Genoa Prov. | |
| 7RB8 | Austria | Marble | Salzburg | |
| 13Lb8 | United States | Pennsylvania | Marble | Lancaster |
| 14LA19 | Australia | Marble | New South Wales | |
| 14LA25 | Austria | Marble | Karst | |
| 11RB6 | United States | New York | Marble | S. Glenn Falls |
| 12LA24 | Italy | Marble | Spezia, Genoa Prov. | |
| 4RB13 | Italy | Marble | Spezia, Genoa Prov. | |
| 12RA18 | United States | Virginia | Marble | Harrisonburg |
| 10RA11 | United States | Pennsylvania | Dolomite | York |
| 11RB8 | United States | Pennsylvania | Dolomite | Carlisle |
| 5LB24 | United States | Maine | Serpentine | Deer Island |
| 5LA36 | Mexico | Andesite | Ixtapalapa | |
| S2-82 | United States | Wisconsin | Gabbro | Ashland |