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: fossiliferous-bearing

Wall Number Country State Classification Source
10RB14 United States Indiana Limestone Stinesville
11LB21 United States Missouri Limestone Paris
11RA16 United States Iowa Dolomite Osage Sta.
13RB14 United States Iowa Limestone Charles City
13RB39 United States Illinois Limestone Columbia
14LB14 United States Iowa Dolomite Osage Sta.
7RA9 United States Alabama Limestone Tuscumbia
Was this page helpful?