Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Stone description: light red

Wall Number Sort descending Country State Classification Source
10Lb47 United States Wisconsin Sandstone Mauston
11LB28 Scotland Sandstone Ballochmyle
5LA32 United States Colorado Granite Platte Canon
6LA24 United States North Carolina Granite Concord
6RA33 United States Colorado Sandstone Greeley
7RB31 United States Colorado Sandstone Jefferson Co.
9Lb44 United States Wyoming Sandstone Laramie
9RA3 United States Colorado Limestone Morrison
9RB33 United States Arizona Sandstone Yavapai Co.
9RB44 Canada Granite St. George