An official website of the United States government
Here's how you know
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.
Mineral resources of the Lake Clark-Iditarod region. Quicksilver deposits of the Kuskokwim region. Gold placers of the Lower Kuskokwim, with a note on copper in the Russian Mountains
Mineral resources of the Lake Clark-Iditarod region. Quicksilver deposits of the Kuskokwim region. Gold placers of the Lower Kuskokwim, with a note on copper in the Russian Mountains