National Parks and National Wildlife Refuges: Yellowstone National Park

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Autumn, Wyoming, Yellowstone NP,Yellowstone,hot springs,mammoth terraces,hydrothetmal photo
trees,Yellowstone,green,grass, Yellowstone National Park photo
yellowstone,yellowstone NP,hot springs,Wyoming photo
Yellowstone,travertine,hot springs photo
Yellowstone NP, hot springs,mammoth terraces, Yellowstone photo
National Park photo
Autumn,Wyoming,Yellowstone NP,bison,Yellowstone photo
Bison, Wyoming, Yelllowstone NP, mammals,Yellowstone photo