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.
Staff at the USGS Central Region Library created two displays for an open-house in celebration of National Library Week, April, 2010. This display features memorabilia from the USGS Pick and Hammer Club.
Public Domain.
