some of about 500 miles worth of coated steel pipe manufactured by Welspun Pipes, Inc., originally for the Keystone oil pipeline, is stored in Little Rock, Ark., in this May 24, 2012 file photo. TransCanada says it's pleased with the U.S. State Department's latest report into its controversial Keystone XL oil pipeline proposal, but acknowledges there's some ways to go before it can start construction. THE CANADIAN PRESS/AP-Danny Johnston
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