Rare Earth Elements: The Global Supply Chain
7/28/2010,
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Mark Humphries | Congressional Research Service | 2010-07-28
"The concentration of production of rare earth elements (REEs) outside the United States raises the important issue of supply vulnerability. REEs are used for new energy technologies and national security applications. Is the United States vulnerable to supply disruptions of REEs? Are these elements essential to U.S. national security and economic well-being?"