Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

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.

Stone description: hornblende-biotite

Wall Number Sort descending Country State Classification Source
10B United States Minnesota Granite Cold Springs
10LB35 United States Connecticut Gneiss E. Killingly
1L1 United States Connecticut Gneiss Milford
5LA23 United States North Carolina Granite Davidson College
5LA34 United States Connecticut Gneiss Middletown
5La35 United States Connecticut Gneiss N. Bridgeport
5LB22 United States North Carolina Gneiss Alexander
5RA31 United States Georgia Gneiss Atlanta
6LA36 United States Connecticut Gneiss Greenwich
6LB17 United States Pennsylvania Granite Allentown
7LB32 United States Minnesota Granite Watab
7LB33 United States Connecticut Gneiss Haddam
7RB18 United States Pennsylvania Granite Siesholtzville