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 Sort descending | Classification | Source |
|---|---|---|---|---|
| 14LA45 | Portugal | Limestone | Ega, Coimbra | |
| 10RA29 | Mexico | Andesite | Ixtapalapa | |
| 14LA46 | Portugal | Limestone | Janianes, Coimbra | |
| 8LA2 | Portugal | Marble | Ameixoira, Coimbra | |
| 9LB33 | Mexico | Pyrophyllite | Sonora State | |
| 13RA25 | Cuba | Marble | Isle of Pines | |
| 8RA1 | Portugal | Marble | Ponde do Espinal, Coimbra | |
| 9RB31 | Mexico | Pyrophyllite | Sonora State | |
| 14RB36 | Spain | Limestone | Murcia, Murcia | |
| 10LB39 | Mexico | Pyrophyllite | Sonora State | |
| 7RA9 | United States | Alabama | Limestone | Tuscumbia |
| 12LA37 | United States | Alabama | Limestone | Trinity |
| 13RA47 | United States | Alabama | Limestone | Rockwood |
| 12RB40 | United States | Alabama | Limestone | Turks Cave |
| 13rb46 | United States | Alabama | Limestone | Leighton |
| 2c | United States | Alabama | Limestone | Rockwood |
| 7ra8 | United States | Alabama | Limestone | Dickson |
| 5LB30 | United States | Georgia | Granite | Ogelsby |
| 11RB1 | United States | Illinois | Dolomite | Joilet |
| 14LA3 | United States | Illinois | Dolomite | Joilet |
| 9LA41 | United States | Illinois | Sandstone | Chester |
| 13LB2 | United States | Illinois | Dolomite | Lemont |
| 8LA12 | United States | Illinois | Limestone | Kinderhook |
| 12LA3 | United States | Illinois | Dolomite | Joilet |
| 12LA31 | United States | Illinois | Limestone | Joliet |
| 13RA2 | United States | Illinois | Dolomite | Lemont |
| 12LA32 | United States | Illinois | Limestone | Jonesborough |
| 9RA42 | United States | Illinois | Sandstone | Xenia |
| 14RA2 | United States | Illinois | Dolomite | Joilet |
| 8RA10 | United States | Illinois | Limestone | Chester |
| 12RA3 | United States | Illinois | Dolomite | Chicago |
| 8RA11 | United States | Illinois | Limestone | Rockport |
| 12RA30 | United States | Illinois | Limestone | Joliet |
| 8RA12 | United States | Illinois | Limestone | Jonesborough |
| 13RB2 | United States | Illinois | Dolomite | Joilet |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 12RA4 | United States | Illinois | Limestone | Quincy |
| 13RB38 | United States | Illinois | Limestone | Sagetown |
| 13RB39 | United States | Illinois | Limestone | Columbia |
| 13LA2 | United States | Illinois | Dolomite | Lemont |
| 11RA3 | United States | Illinois | Dolomite | Lemont |
| 14LA2 | United States | Illinois | Dolomite | Aurora |
| 9LA39 | United States | Indiana | Sandstone | French Lick Twp. |
| 12LA1 | United States | Indiana | Dolomite | Greensburgh |
| 14LB1 | United States | Indiana | Dolomite | Montpelier |
| 8LA13 | United States | Indiana | Limestone | Fort Ritner |
| 10RB14 | United States | Indiana | Limestone | Stinesville |
| 8LA15 | United States | Indiana | Limestone | Greenscastle |
| 4LB12 | United States | Indiana | Limestone | Salem |
| 12LA35 | United States | Indiana | Limestone | Spencer |
| 4RB12 | United States | Indiana | Limestone | Salem |
| 12LB35 | United States | Indiana | Limestone | Bedford |
| 11La1 | United States | Indiana | Dolomite | St. Paul |
| 12RA1 | United States | Indiana | Limestone | Bedford |
| 14RB12 | United States | Indiana | Limestone | Oakdale |
| 9RB39 | United States | Indiana | Sandstone | Paoli |
| 9RB40 | United States | Indiana | Sandstone | Attica |
| 12RA32 | United States | Indiana | Limestone | Salem |
| 8RA13 | United States | Indiana | Limestone | Bedford |
| 12RA33 | United States | Indiana | Limestone | Spencer |
| 8RA14 | United States | Indiana | Limestone | Avoca |
| 12RA34 | United States | Indiana | Limestone | Oakalla |
| 8RA16 | United States | Indiana | Limestone | Ellettsville |
| 12RB36 | United States | Indiana | Limestone | Bedford |
| 13LB14 | United States | Iowa | Dolomite | Delphi |
| 12LA15 | United States | Iowa | Dolomite | Marshalltown |
| 9LA9 | United States | Iowa | Limestone | Burlington |
| 10RB13 | United States | Iowa | Limestone | Blansett |
| 9LB10 | United States | Iowa | Limestone | Bristow |
| 14LB15 | United States | Iowa | Dolomite | Manchester |
| 9LB13 | United States | Iowa | Limestone | Burlington |
| 13RA20 | United States | Iowa | Limestone | Sigourney Station, Keokuk Co. |
| 14RA15 | United States | Iowa | Dolomite | Winterset |
| 14RA16 | United States | Iowa | Dolomite | Franklin |
| 9RA9 | United States | Iowa | Limestone | Tracey Station, Marion Co. |
| 9RB13 | United States | Iowa | Limestone | Conrad |
| 11La17 | United States | Iowa | Dolomite | Lansing |
| 12RA16 | United States | Iowa | Dolomite | Farley |
| 14RB16 | United States | Iowa | Dolomite | Franklin |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 13RB16 | United States | Iowa | Dolomite | Farley |
| 14RB21 | United States | Iowa | Limestone | Pella Station, Marion Co. |
| 11RA14 | United States | Iowa | Dolomite | Lansing |
| 13LA16 | United States | Iowa | Limestone | Fort Dodge |
| 9La10 | United States | Iowa | Limestone | Keosauque Station |
| 13LA20 | United States | Iowa | Coral | Iowa City |
| 10RA23 | United States | Kansas | Limestone | Eldorado |
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| 13RA24 | United States | Kansas | Limestone | Douglass |
| 11LA23 | United States | Kansas | Limestone | Eldorado |
| 11LA8 | United States | Kansas | Limestone | Florence |
| 11RA27 | United States | Kansas | Limestone | Cottonwood |
| 9LA13 | United States | Kansas | Limestone | Manhattan |
| 13La45 | United States | Kentucky | Limestone | Frankfort |
| 13LB44 | United States | Kentucky | Limestone | Lincoln Co. |
| 8La17 | United States | Kentucky | Limestone | Russelville |
| 14Lb46 | United States | Kentucky | Limestone | Princeton |
| 12La36 | United States | Kentucky | Limestone | Bloomfield |
| 13RA41 | United States | Kentucky | Limestone | Princeton |
| 13RA43 | United States | Kentucky | Limestone | Hopkinsville |