GeoRef Description: Provides access to over 1.8 million references to many sources covering the geology of North America from 1785 to the present. Provided by Georgia College More Info Express Link for GeoRef × Express Link Copy
USA.gov (The U.S. Government's Official Web Portal) Description: Websites, U.S. federal government agencies More Info Express Link for USA.gov (The U.S. Government's Official Web Portal) × Express Link Copy
