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: shell-stone

Wall Number Country State Classification Source
12LA28 United States Florida Coquina St. Augustine
12LA29 United States Florida Coquina St. Augustine
12RA27 United States Florida Coquina St. Augustine
12RA28 United States Florida Coquina St. Augustine
4LA19 United States Florida Coquina St. Augustine
4RA19 United States Florida Coquina St. Augustine
Was this page helpful?