The US has lost most of our Uranium production.
Eight percent of the U3O8e delivered in 2010 was U.S.-origin uranium at a weighted-average price of $45.25 per pound. Foreign-origin uranium accounted for the remaining 92 percent of deliveries at a weighted-average price of $49.64 per pound.
http://www.eia.gov/FTPROOT/nuclear/umar2010.pdf
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