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: reddish-brown
| Wall Number | Country | State | Classification | Source Sort ascending |
|---|---|---|---|---|
| 8LB47 | United States | New Mexico | Sandstone | Valencia Co. |
| 6LB12 | United States | Pennsylvania | Sandstone | Norristown |
| 8RA32 | United States | Texas | Sandstone | Milsap |
| 7RB30 | United States | Texas | Sandstone | Milsap |
| 10LA38 | Mexico | Dacite | Mexico State | |
| 7LB45 | United States | Michigan | Sandstone | L'Anse |
| 9Lb34 | United States | Oregon | Sandstone | Jacksonville |
| 8RB44 | United States | Michigan | Sandstone | Isle Royale |
| 9RQ | United States | Massachusetts | Sandstone | E. Long Meadow |
| 10LA35 | United States | Minnesota | Quartz | Duluth |
| 3L13 | United States | Tennessee | Marble | Doughertyville |
| 3R13 | United States | Tennessee | Marble | Doughertyville |
| 14LA29 | Austria | Marble | Castione | |
| 7RB5 | Austria | Marble | Adnet |