Yellowstone NP - 1st eruption of Great Fountain Geyser, the 3rd geyser in height in Yellowstone
by Patrick DEBETENCOURT
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Argus Model C on Meramec River
by edmund j. kowalski
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SixyFour at 12th and Porter
by Chip Curley
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Yellowstone National Park - The Grand Primatic Spring
by Patrick DEBETENCOURT
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Owl, Great Gray
by Paul Higgins
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Old Man Hotpot
by M L Wong
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Yellowstone NP - Pools & springs of Upper Geyser Basin, Mornong Glory Pool, Daisy Geyser...
by Patrick DEBETENCOURT
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Argus Meets Pentax
by edmund j. kowalski
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SixtyFour at Mickey Roos
by Chip Curley
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Yellowstone National Park - Lone Star Geyser trail
by Patrick DEBETENCOURT
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