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.
Professor Emeritus Ed Hogan attending the September 1, 2005 dedication ceremony of the SDSU and USGS EROS Center Geographic Information Science Center of Excellence (GIScCE) in Brookings, SD.
Public Domain.
