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Stone description: dark gray
| Wall Number | Country Sort descending | State | Classification | Source |
|---|---|---|---|---|
| 14RA27 | United States | Tennessee | Limestone | Nashville |
| 6RB19 | United States | Pennsylvania | Diabase | Reading |
| 11RA6 | United States | New York | Limestone | Buffalo |
| 5RA31 | United States | Georgia | Gneiss | Atlanta |
| 14RA3 | United States | Illinois | Dolomite | Saline |
| 6RB22 | United States | Massachusetts | Granite | Rockport |
| 11RB14 | United States | Missouri | Dolomite | Hermann |
| 14RA6 | United States | Wisconsin | Dolomite | Neenah |
| 6RB26 | United States | Maine | Granite | Bryant's Pond |
| 11RB30 | United States | Virginia | Schist | Farquier Co. |
| 5RA43 | United States | New Jersey | Diabase | Weehawken |
| 14RA9 | United States | Pennsylvania | Limestone | Vanport |
| 6RB42 | United States | South Carolina | Granite | Batesburg |
| 11RB31 | United States | Virginia | Diabase | Leesburg |
| 5RB12 | United States | Massachusetts | Granite | Quincy |
| 6RB43 | United States | New Jersey | Diabase | Rocky Hill |
| 12LA22 | United States | Missouri | Limestone | Pleasant Hill |
| 5RB13 | United States | Massachusetts | Granite | Quincy |
| 14RB38 | United States | Pennsylvania | Marble | Pine Grove Schuylkill Co. |
| 7LB17 | United States | Pennsylvania | Gneiss | Chester |
| 12LA7 | United States | New York | Limestone | Canajoharie |
| 5RB14 | United States | Massachusetts | Granite | Quincy |
| 5RB16 | United States | Massachusetts | Diabase | E. Longmeadow |
| 14RB46 | United States | Kentucky | Limestone | Stewart's Mill Clark Co. |
| 7LB27 | United States | New York | Sandstone | Phoenicia |
| 12LB13 | United States | Montana | Marble | Helena |
| 12LB7 | United States | New York | Limestone | Le Roy |
| 5RB17 | United States | Massachusetts | Granite | Quincy |
| 14RB47 | United States | Kentucky | Limestone | Bloomfield |
| 7LB33 | United States | Connecticut | Gneiss | Haddam |
| 12RA12 | United States | Ohio | Dolomite | Lexington |
| 5RB18 | United States | Massachusetts | Granite | Quincy |
| 1L1 | United States | Connecticut | Gneiss | Milford |
| 7RA11 | United States | Connecticut | Limestone | Shelterville |
| 12RA17 | United States | Iowa | Dolomite | Garrison |
| 5RB19 | United States | Massachusetts | Granite | Quincy |
| 1L7 | United States | Massachusetts | Granite | Quincy |
| 7RA25 | United States | Maine | Granite | Canaan |
| 12RB13 | United States | Ohio | Dolomite | Holmes Twp. Crawford C. |
| 5RB20 | United States | Massachusetts | Granite | Quincy |
| 1L8 | United States | Massachusetts | Granite | Quincy |
| 8LA23 | United States | Massachusetts | Diabase | Medford |
| 5LA26 | Austria | Pitchstone | Castleruth | |
| 8LA9 | Canada | Limestone | Kingston | |
| 8RA9 | Canada | Limestone | Montreal | |
| 13RA26 | Canada | Limestone | Montreal region |