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.

Https

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: muscovite

Wall Number Sort descending Country State Classification Source
10LB22 United States Massachusetts Gneiss Monson
10LB23 United States Massachusetts Gneiss Becket
5LB13 United States Massachusetts Gneiss Westford
5LB14 United States Massachusetts Gneiss Westford
5LB15 United States Massachusetts Gneiss Westford
5LB32 United States Colorado Granite Lawson
6LB46 United States Vermont Granite Bethel
7La33 United States Connecticut Sandstone Cromwell
7LB37 United States Massachusetts Gneiss Westford
8RB35 United States Connecticut Sandstone Portland