Bison in the Hayden.jpg
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Bison, Calf, Cow 080904 Hayden Valley, Yellowstone Natl Park 0153.jpg
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Bison jam near the Hayden Valley
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Bison Reflection in the Hayden.jpg
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Large Bison in the Hayden Valley in Yellowstone NP
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MG 7992 yellowstone hayden valley bison calf w.jpg
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Bison in the Yellowstone River, Hayden Valley
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Bison, Bull taking dust bath 080904 Hayden Valley, Yellowstone Natl Park 0195.jpg
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Bison and the Yellowstone River in the Hayden Valley in Yellowstone National Park
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A bison rolls in the dirt in the Hayden Valley in Yellowstone NP
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