A wheel loader operator fills a truck with ore at the MP Materials rare earth mine in Mountain Pass
Aug 15, 2023
A wheel loader operator fills a truck with ore at the MP Materials rare earth mine in Mountain Pass, California, U.S. January 30, 2020. Picture taken January 30, 2020. REUTERS/Steve Marcus/
By Ernest Scheyder and Eric Onstad
You can go to national parks in Colorado for free on Aug. 4 and Sept. 23. Plan a trip and tell us your favorite!
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