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.
Google Analytics Dashboard for 200,000 years of climate change recorded in eolian sediments of the High Plains of eastern Colorado and western Nebraska
200,000 years of climate change recorded in eolian sediments of the High Plains of eastern Colorado and western Nebraska