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| A group of young bull bison ford the swollen Gros Ventre River. As the valley starts to green up, bison and elk migrate north off the National Elk Refuge grassland that has supported them through the winter. |
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| A group of young bull bison ford the swollen Gros Ventre River. As the valley starts to green up, bison and elk migrate north off the National Elk Refuge grassland that has supported them through the winter. |