Jeff Foott / Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, Wyoming
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Jack Dykinga / Morning Glory pool with Lodgepole pines {Pinus contorta} in background, Yellowstone NP, Wyoming, USA
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Sue Flood / Morning Glory Pool, Yellowstone National Park, Wyoming, USA
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Pete Cairns / Morning glory pool, Old Faithful geyser, Yellowstone NP, Wyoming, USA
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Jim Brandenburg / Morning Glory pool in Upper Geyser Basin, Yellowstone National Park, Wyoming
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Nick Garbutt / Morning Glory thermal pool surrounded by snow, coniferous forest in background. Near Daisy Geyser Basin, Yellowstone National Park, USA. January 2019.
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Kirkendall-Spring / Morning Glory Pool in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA. September 2015. The pool has changed from its original blue colour to green due to tourists throwing rocks, pennies a...
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Duncan Usher / Morning Glory Pool in Upper Geyser Basin, Yellowstone National Park, Wyoming
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Jack Dykinga / Morning Glory pool with Lodgepole pines {Pinus contorta} in background, Yellowstone NP, Wyoming, USA
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Sue Flood / Morning Glory Pool, Yellowstone National Park, Wyoming, USA
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Philippe Clement / Morning Glory Pool with tourists on boardwalk, Yellowstone NP, Wyoming, USA.
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Philippe Clement / Morning Glory Pool, Yellowstone , Wyoming, USA