The United States used to produce its own critical minerals and derivative products like rare earth magnets back in 1949, miners in Mountain Pass, California discovered one of the world's richest mineral deposits. By 1952, the United States, we were mining rare earths [in Mountain Pass, California]. there. And that discovery sparked a revolution. American scientists and engineers, alongside innovators from many of the countries that are here today, rushed to discover new applications for these minerals. (21:29–21:34)
CLAIM
Asserts that the U.S. was mining rare earths in Mountain Pass, California by 1952.
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