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: porous
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 9LA38 | United States | Indiana | Sandstone | Cannelton |
| 9LB41 | United States | Indiana | Sandstone | Williamsport |
| 9RA39 | United States | Wyoming | Sandstone | Rawlins |
| 9RB38 | United States | Oregon | Sandstone | Near Albany |
| S3-6 | United States | Ohio | Sandstone | McDermott |
| 10Lb37 | United States | West Virginia | Sandstone | Grafton |
| 10RB36 | United States | Missouri | Sandstone | St. Genevieve |
| 11RB29 | United States | Virginia | Sandstone | Manassas |
| 23EE | United States | Idaho | Sandstone | Boise |
| 4R8 | Australia | Sandstone | New South Wales | |
| 5LA3 | United States | Ohio | Sandstone | Peninsula |
| 5RA11 | United States | Ohio | Sandstone | Lithopolis |
| 5RB2 | United States | Ohio | Sandstone | Canal Dover Tuscarawas Co. |
| 6LA21 | United States | Ohio | Sandstone | Warwick |
| 6LB30 | United States | Kentucky | Sandstone | Cloveport |
| 6RA9 | United States | Pennsylvania | Sandstone | Garland |
| 7LB43 | United States | Michigan | Sandstone | L'Anse |
| 7RB25 | United States | New York | Sandstone | Margarettville |
| 8LA35 | United States | Connecticut | Sandstone | E. Haven |
| 8LB37 | United States | Missouri | Sandstone | Rockville |
| 8RB42 | United States | Montana | Sandstone | Columbus |
| 9LA39 | United States | Indiana | Sandstone | French Lick Twp. |
| 9LB43 | United States | Washington | Sandstone | Tenino |
| 9RA41 | United States | Illinois | Sandstone | Carbondale |
| 9RB39 | United States | Indiana | Sandstone | Paoli |
| 10LB38 | United States | Colorado | Sandstone | Fremont Co.- Ark. River |
| 10RB48 | United States | Wisconsin | Sandstone | Ableman |
| 11LB26 | United States | Iowa | Sandstone | Lewis |
| 11RB33 | United States | Oregon | Sandstone | Jacksonville |
| 13RA22 | United States | Missouri | Sandstone | Miami Station Carroll Co. |
| 24EE | United States | Ohio | Sandstone | Glenmont |
| 4R9 | United States | Ohio | Sandstone | Berea |
| 5LA4 | United States | Ohio | Sandstone | Norwalk |
| 5RA12 | United States | Ohio | Sandstone | Euclid |
| 5RB3 | United States | Ohio | Sandstone | Bedford |
| 6LA3 | United States | Pennsylvania | Sandstone | Wampum |
| 6LB39 | United States | Ohio | Sandstone | Youngstown |
| 7EE | United States | Ohio | Sandstone | McDermott |
| 7LB44 | United States | Michigan | Sandstone | Stony Point |
| 7RB28 | United States | California | Sandstone | Sites |
| 8LA36 | United States | Missouri | Sandstone | Clinton |
| 8LB38 | United States | Arizona | Sandstone | Yavapai Co. |
| 8RA40 | United States | New Jersey | Sandstone | Belleville |
| 8RB44 | United States | Michigan | Sandstone | Isle Royale |
| 9LA40 | United States | Illinois | Sandstone | Pinckneyville |
| 9Lb44 | United States | Wyoming | Sandstone | Laramie |
| 9RA42 | United States | Illinois | Sandstone | Xenia |
| 9RB40 | United States | Indiana | Sandstone | Attica |
| 10Lb46 | United States | Wisconsin | Sandstone | Mauston |
| 10RQ | United States | Connecticut | Sandstone | Fair Haven |
| 11LB28 | Scotland | Sandstone | Ballochmyle | |
| 11RB34 | United States | Oregon | Sandstone | Dallas |
| 25WE | United States | Ohio | Sandstone | Amherst |
| 5LA5 | United States | Ohio | Sandstone | Piketon |
| 5RA13 | United States | Ohio | Sandstone | Marietta |
| 5RB4 | United States | Ohio | Sandstone | Bellaire |
| 6La30 | United States | Kentucky | Sandstone | Livingstone |
| 6LB7 | United States | Pennsylvania | Sandstone | Yardleyville |
| 7LB45 | United States | Michigan | Sandstone | L'Anse |
| 7RB30 | United States | Texas | Sandstone | Milsap |
| 8LA37 | United States | Missouri | Sandstone | Warrensburg |
| 8LB39 | United States | West Virginia | Sandstone | Wheeling |
| 8RB45 | United States | Wisconsin | Sandstone | Packwaukee |
| 9LA41 | United States | Illinois | Sandstone | Chester |
| 9RA43 | United States | Idaho | Sandstone | Boise |
| 9WE | United States | Ohio | Sandstone | McDermott |
| 10Lb47 | United States | Wisconsin | Sandstone | Mauston |
| 10WE | United States | Ohio | Sandstone | Amherst |
| 11LB29 | United States | Missouri | Sandstone | Jones Station Ralls Co. |
| 11RB45 | United States | New Mexico | Sandstone | Las Vegas |
| 26WE | United States | Wyoming | Sandstone | Laramie |
| 4RQ | United States | Ohio | Sandstone | Amherst |
| 5LA6 | United States | Ohio | Sandstone | Weller Twp. Richland Co. |
| 5RA15 | United States | Ohio | Sandstone | Cambridge |
| 5RB5 | United States | Ohio | Sandstone | Brownhelm |
| 6La4 | United States | Pennsylvania | Sandstone | Wampum |
| 6LB9 | United States | Pennsylvania | Sandstone | Baden |
| 6RB2 | United States | Pennsylvania | Sandstone | Franklin |
| 7LA19 | United States | Ohio | Sandstone | Akron |
| 7RB36 | United States | Nevada | Sandstone | Carson City |
| 8LA39 | United States | Kansas | Sandstone | Oswego |
| 8LB47 | United States | New Mexico | Sandstone | Valencia Co. |
| 8RA44 | United States | Michigan | Sandstone | L'Anse |
| 8RB46 | United States | Washington | Sandstone | Tenino |
| 9LA42 | United States | Illinois | Sandstone | Chester |
| 9RA18 | United States | Pennsylvania | Sandstone | Meadville |
| 9RA44 | United States | Iowa | Sandstone | Davenport |
| S1-1 | United States | Ohio | Sandstone | McDermott |
| 13RA31 | Austria | Marble | Sterzing | |
| 10RA13 | United States | Ohio | Dolomite | White House |
| 11RB9 | United States | Kansas | Dolomite | Marion Center |
| 14RB18 | United States | Iowa | Dolomite | Dixon |
| 10RA14 | United States | Ohio | Dolomite | Van Wert |
| 13LA12 | United States | Ohio | Dolomite | Freemont |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 10RA15 | United States | Ohio | Dolomite | White House |
| 11LA15 | United States | Iowa | Dolomite | Clinton |
| 12LA10 | United States | Ohio | Dolomite | Euphemia |
| 13LA13 | United States | Iowa | Dolomite | Iowa Falls |
| 14LB11 | United States | Ohio | Dolomite | Greenfield |