Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Stone description: light gray
| Wall Number | Country | State | Classification | Source Sort descending |
|---|---|---|---|---|
| 8LA15 | United States | Indiana | Limestone | Greenscastle |
| 10RB25 | United States | Maine | Granite | Hallowell |
| 10RB7 | United States | Missouri | Limestone | Hannibal |
| 13RA43 | United States | Kentucky | Limestone | Hopkinsville |
| 6RB1 | United States | Pennsylvania | Quartzite | Huntingdon |
| 13LA20 | United States | Iowa | Coral | Iowa City |
| 13RA25 | Cuba | Marble | Isle of Pines | |
| 10RA29 | Mexico | Andesite | Ixtapalapa | |
| 6RA19 | United States | Pennsylvania | Quartzite | Jacksonwald |
| 14LA46 | Portugal | Limestone | Janianes, Coimbra | |
| 11LA12 | United States | Missouri | Dolomite | Jefferson City |
| 6RA10 | United States | Pennsylvania | Sandstone | Johnstown |
| 12LA3 | United States | Illinois | Dolomite | Joilet |
| 14RA2 | United States | Illinois | Dolomite | Joilet |
| 13RB2 | United States | Illinois | Dolomite | Joilet |
| 14LA3 | United States | Illinois | Dolomite | Joilet |
| 11RB1 | United States | Illinois | Dolomite | Joilet |
| 12LA31 | United States | Illinois | Limestone | Joliet |
| 12RA30 | United States | Illinois | Limestone | Joliet |
| 12LA32 | United States | Illinois | Limestone | Jonesborough |
| 8RA12 | United States | Illinois | Limestone | Jonesborough |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 6RB44 | United States | New Hampshire | Granite | Keene |
| 9La10 | United States | Iowa | Limestone | Keosauque Station |
| 8LA12 | United States | Illinois | Limestone | Kinderhook |
| 11LA24 | United States | Tennessee | Marble | Knoxville |
| 12RA11 | United States | Kentucky | Limestone | Lagrange |
| 6RA20 | United States | Ohio | Sandstone | Lancaster |
| 11La17 | United States | Iowa | Dolomite | Lansing |
| 11RA14 | United States | Iowa | Dolomite | Lansing |
| 14LB43 | United States | Nebraska | Limestone | LaPlatte |
| 7RA44 | United States | New Mexico | Sandstone | Las Vegas |
| 5LB32 | United States | Colorado | Granite | Lawson |
| 6RA11 | United States | Pennsylvania | Sandstone | Layton Station Fayette Co. |
| 13rb46 | United States | Alabama | Limestone | Leighton |
| 13LB2 | United States | Illinois | Dolomite | Lemont |
| 13RA2 | United States | Illinois | Dolomite | Lemont |
| 13LA2 | United States | Illinois | Dolomite | Lemont |
| 11RA3 | United States | Illinois | Dolomite | Lemont |
| 13LB44 | United States | Kentucky | Limestone | Lincoln Co. |
| 6LA26 | United States | Maine | Granite | Lincolnville |
| 13RB43 | United States | Kentucky | Limestone | Litchfield |
| 13LB6 | United States | New York | Dolomite | Lockport |
| 8LA30 | United States | New York | Sandstone | Lockport |
| 5RB25 | United States | North Carolina | Granite | Louisburg |
| 14LB15 | United States | Iowa | Dolomite | Manchester |
| 10LB44 | United States | New Hampshire | Granite | Manchester |
| 9LA13 | United States | Kansas | Limestone | Manhattan |
| 7La18 | United States | Pennsylvania | Quartzite | Mapleton |
| 9LB23 | United States | Ohio | Sandstone | Marietta |
| 5RB44 | United States | New Hampshire | Granite | Marlborough |
| 12LA15 | United States | Iowa | Dolomite | Marshalltown |
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| 10RB45 | United States | New Hampshire | Granite | Mason |
| 10RA37 | United States | New Hampshire | Granite | Mason |
| 10Lb46 | United States | Wisconsin | Sandstone | Mauston |
| 6RQ | United States | Ohio | Sandstone | McDermont |
| 10RA40 | United States | New Hampshire | Granite | Milford |
| 6RA44 | United States | New Hampshire | Granite | Milford |
| 14RA10 | United States | Pennsylvania | Dolomite | Mill Lane Chester Co. |
| 14LB1 | United States | Indiana | Dolomite | Montpelier |
| 9La2 | United States | Tennessee | Marble | Morristown |
| 2B | United States | North Carolina | Granite | Mt. Airy |
| 6RB40 | United States | Maryland | Gneiss | Mt. Royal |
| 14RB36 | Spain | Limestone | Murcia, Murcia | |
| 8RA36 | United States | Missouri | Sandstone | Nevada |
| 6LA20 | United States | Ohio | Sandstone | Newark |
| 13LA40 | United States | Ohio | Limestone | Newtonville |
| 5B | United States | Maine | Granite | North Jay |
| 12RA34 | United States | Indiana | Limestone | Oakalla |
| 14RB12 | United States | Indiana | Limestone | Oakdale |
| 5LB30 | United States | Georgia | Granite | Ogelsby |
| 9RB39 | United States | Indiana | Sandstone | Paoli |
| 13RB33 | United States | Utah | Marble | Payson |
| 14RB21 | United States | Iowa | Limestone | Pella Station, Marion Co. |
| 5LA9 | United States | Ohio | Sandstone | Piketon |
| 13RA44 | United States | Kentucky | Limestone | Pilot Knob |
| 13LA11 | United States | Ohio | Limestone | Piqua River |
| 8Lb46 | United States | Washington | Sandstone | Pittsburgh |
| 5LA18 | United States | Ohio | Sandstone | Plymouth |
| 8RA1 | Portugal | Marble | Ponde do Espinal, Coimbra | |
| 14Lb46 | United States | Kentucky | Limestone | Princeton |
| 13RA41 | United States | Kentucky | Limestone | Princeton |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 12RA4 | United States | Illinois | Limestone | Quincy |
| 11LA2 | United States | Michigan | Dolomite | Raisinville |
| 9RA39 | United States | Wyoming | Sandstone | Rawlins |
| 7LB35 | United States | Nevada | Andesite | Reno |
| 1R4 | United States | Connecticut | Granite | Reynold's Bridge |
| 8LB6 | United States | Nebraska | Limestone | Roca |
| 11RA23 | United States | Nebraska | Limestone | Roca |
| 8RB7 | United States | Nebraska | Limestone | Roca |
| 8RA11 | United States | Illinois | Limestone | Rockport |
| 13RA47 | United States | Alabama | Limestone | Rockwood |
| 2c | United States | Alabama | Limestone | Rockwood |
| 10LB34 | United States | Connecticut | Gneiss | Roxbury |
| 10RA35 | United States | New Hampshire | Granite | Roxbury |
| 8La17 | United States | Kentucky | Limestone | Russelville |
| 13RB38 | United States | Illinois | Limestone | Sagetown |