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 Sort descending | Source |
|---|---|---|---|---|
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| 12RA3 | United States | Illinois | Dolomite | Chicago |
| 13RB10 | United States | Ohio | Dolomite | Sandusky |
| 14RB16 | United States | Iowa | Dolomite | Franklin |
| 13RB12 | United States | Ohio | Dolomite | Greenfield |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 12LA1 | United States | Indiana | Dolomite | Greensburgh |
| 13LB10 | United States | Ohio | Dolomite | Springfield |
| 13RB16 | United States | Iowa | Dolomite | Farley |
| 14LA5 | United States | Wisconsin | Dolomite | Eden |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 13LB14 | United States | Iowa | Dolomite | Delphi |
| 13RB2 | United States | Illinois | Dolomite | Joilet |
| 14LA6 | United States | Wisconsin | Dolomite | Taycheedah Twp. Fon du Lac Co. |
| 10RA9 | United States | Wisconsin | Dolomite | Byron |
| 11LB14 | United States | Missouri | Dolomite | Stoutland |
| 12LA15 | United States | Iowa | Dolomite | Marshalltown |
| 13LB2 | United States | Illinois | Dolomite | Lemont |
| 14LB1 | United States | Indiana | Dolomite | Montpelier |
| 11LB2 | United States | Wisconsin | Dolomite | Fon du Lac |
| 12LA3 | United States | Illinois | Dolomite | Joilet |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 13LB6 | United States | New York | Dolomite | Lockport |
| 14LB15 | United States | Iowa | Dolomite | Manchester |
| 11RA13 | United States | Missouri | Dolomite | De Soto |
| 12RB14 | United States | Missouri | Dolomite | St. Louis |
| 13RA2 | United States | Illinois | Dolomite | Lemont |
| 6rb33 | United States | Colorado | Tuff | Castle rock |
| 7RB45 | United States | New Mexico | Tuff | Santa Fe |
| 9LB24 | United States | Massachusetts | Gneiss | Charlton |
| 6RB18 | United States | Pennsylvania | Gneiss | Chester |
| 10LB34 | United States | Connecticut | Gneiss | Roxbury |
| 7LB37 | United States | Massachusetts | Gneiss | Westford |
| 5LB15 | United States | Massachusetts | Gneiss | Westford |
| 6RB40 | United States | Maryland | Gneiss | Mt. Royal |
| 5LB38 | United States | Maryland | Gneiss | Baltimore |
| 5RA39 | United States | Maryland | Gneiss | Baltimore |
| 6RB1 | United States | Pennsylvania | Quartzite | Huntingdon |
| 10LA49 | United States | Michigan | Quartzite | Vulcan |
| 7RB43 | United States | Wisconsin | Quartzite | Stevens Point |
| 6RA19 | United States | Pennsylvania | Quartzite | Jacksonwald |
| 7La18 | United States | Pennsylvania | Quartzite | Mapleton |
| 9LB33 | Mexico | Pyrophyllite | Sonora State | |
| 10LB39 | Mexico | Pyrophyllite | Sonora State | |
| 9RB31 | Mexico | Pyrophyllite | Sonora State | |
| 7LB35 | United States | Nevada | Andesite | Reno |
| 10RA29 | Mexico | Andesite | Ixtapalapa | |
| 5RB26 | United States | Maryland | Conglomerate | Cumberland |
| 13LA20 | United States | Iowa | Coral | Iowa City |