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fhopson: Domingo Spring, Lassen National Forest, California
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fhopson: Spring along Highway 49 a few miles east of Sierra City, CA.
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fhopson: McArthur-Burney Falls, California
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fhopson: McArthur-Burney Falls State Park, California
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fhopson: Bumpass Hell, Lassen Volcanic National Park, CA
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fhopson: West Pyrite Pool at Bumpass Hell, Lassen Volcanic National Park, CA
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fhopson: Pyrite scum floating on pool surface at Bumpass Hell, Lassen Volcanic National Park, CA
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fhopson: Cone of mud hurled out of a vent at Boiling Springs Lake, Lassen Volcanic National Park, CA
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fhopson: Terminal Geyser, Lassen Volcanic National Park
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fhopson: Thermophyllic algae at Terminal Geyser, Lassen Volcanic National Park, CA
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fhopson: Hot Creek Gorge near Mammoth Lakes, CA
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fhopson: Erupting geyser near Old Faithful, Yellowstone National Park
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fhopson: Castle Geyser, Yellowstone National Park
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fhopson: Buffalo grazing in front of Geyser Hill, Yellowstone National Park
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fhopson: Biscuit Geyser and Old Faithful Geyser, Yellowstone National Park
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fhopson: Abyss Pool, West Thumb Geyser Basin, Yellowstone National Park
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fhopson: Rusty Geyser, Yellowstone National Park
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fhopson: Old Faithful, Yellowstone National Park
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fhopson: Grand Prismatic Spring, Yellowstone National Park
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fhopson: Rainbow Terraces at Hot Springs State Park, Thermopolis, WY
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fhopson: Tufa tower at Pyramid Lake
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fhopson: The Needles at Pyramid Lake,NV