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The Anacortes Spur departs the mainline of BNSF’s Bellingham Subdivision at Burlington Washington and proceeds west to Shell’s Puget Sound Refinery and Tesoro Refinery in Anacortes. Oil tanker ships from Prudhoe Bay in Alaska are the primary source of crude oil for the refineries, but improved technology in shale fracking, especially in the Bakken region of North Dakota, has given the line new purpose. The spur is approximately ten miles long and crosses the Swinomish Tr
