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Scott E. Hanley: Beehive Geyser
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Scott E. Hanley: Great Fountain Geyser
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Scott E. Hanley: Clepsydra Geyser
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Scott E. Hanley: Castle Geyser
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Scott E. Hanley: Castle Geyser
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Scott E. Hanley: Beehive Geyser
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Scott E. Hanley: Old Faithful at sunset
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Scott E. Hanley: Aurem Geyser
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Scott E. Hanley: Castle Geyser
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Scott E. Hanley: Lonestar Geyser
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Scott E. Hanley: Castle Geyser
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Scott E. Hanley: Giant Geyser start
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Scott E. Hanley: Giant Geyser
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Scott E. Hanley: Fan Geyser
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Scott E. Hanley: Fountain Geyser
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Scott E. Hanley: Silex Spring, convection waves
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Scott E. Hanley: Beehive-Old Faithful dual eruption
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Scott E. Hanley: Castle Geyser eruption
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Scott E. Hanley: Grotto Geyser
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Scott E. Hanley: Steamboat Geyser
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Scott E. Hanley: Steamboat Geyser, steam phase
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Scott E. Hanley: Giantess Geyser
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Scott E. Hanley: Fountain Geyser & Morning's Thief Geyser
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Scott E. Hanley: Castle Geyser, sunset
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Scott E. Hanley: Midway Geyser Basin