NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

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.

Engineering Laboratory

Materials and Structural Systems Division

Back to Stone Search

Stone description: Potsdam

Wall Number Country State Classification Source
6RB13 United States Pennsylvania Conglomerate Friedensburg
7LB43 United States Michigan Sandstone L'Anse
7LB45 United States Michigan Sandstone L'Anse
7RA42 United States Michigan Sandstone Marquette
8RA44 United States Michigan Sandstone L'Anse
8RB44 United States Michigan Sandstone Isle Royale
9Lb35 United States South Dakota Quartzite Sioux Falls
9RB43 Canada Sandstone Nepigon Bay, Ontario
Was this page helpful?