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.
Chemical analyses of samples of rock, minus-0.25-mm stream sediment, and nonmagnetic heavy-mineral concentrate, Mokelumne Wilderness and adjacent RARE II further planning areas, California
Chemical analyses of samples of rock, minus-0.25-mm stream sediment, and nonmagnetic heavy-mineral concentrate, Mokelumne Wilderness and adjacent RARE II further planning areas, California