FILE - in this March 17, 2011, file photo, a free bison roams around the outside of a pen enclosing bison in Gardiner, Mont., in Yellowstone National Park. Late Monday afternoon, March 19, 2012, 64 bison from Yellowstone National Park were due to arrive at northeast Montana's Fort Peck Reservation under a long-stalled relocation initiative to repopulate parts of the West with the iconic, genetically pure animals, a tribal official said. Montana Gov. Brian Schweitzer said Monday the bison shipment was a first step in efforts to bring the animals back across a larger landscape. (AP Photo/Janie Osborne, File)
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