Virtual Guidebook to Yellowstone and Northern Wyoming
Upper Geyser Basin
Yellowstone National Park Wyoming


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Castle Geyser, impressive even when not erupting

(June 30, 2000)


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Grand Geyser, between eruptions

(June 30, 2000)


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Amazing color gradations in Morning Glory Pool

(June 30, 2000)


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The Riverside Geyser in full eruption over the Firehole River

(June 30, 2000)


Next Locality: Geyser Hill