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WWI Bob: Bubbling Geyser
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WWI Bob: Geyser Draining Into Firehole River
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WWI Bob: Firehole River Inflow
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WWI Bob: Flower and River
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WWI Bob: Geyser Water Flow
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WWI Bob: Old Faithful (Long View)
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WWI Bob: Old Faithful
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WWI Bob: Big Sky and Old Faithful
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WWI Bob: Old Faithful Getting Started
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WWI Bob: Rock, Tree, Sky
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WWI Bob: Yellowstone Parking Lot
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WWI Bob: Beryl Springs and Steam Plume
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WWI Bob: Beryl Springs and Steam Plume
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WWI Bob: Beryl Springs Steam Plume
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WWI Bob: Geyser Near Artists Paintpots
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WWI Bob: Colorful Runoff Near Artists Painpots
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WWI Bob: Beryl Springs
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WWI Bob: Colorful Water
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WWI Bob: Colorful Water
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WWI Bob: Yellowstone Raven
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WWI Bob: Beryl Springs
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WWI Bob: View From Artists Paintpots
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WWI Bob: Yellowstone Raven
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WWI Bob: Geyser in Norris Basin
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WWI Bob: Colorful Water
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WWI Bob: Geyser Runnoff in Norris Basin
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WWI Bob: Norris Geyser Basin
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WWI Bob: Geyser Runnoff in Norris Basin
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WWI Bob: Artist Paintpots
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WWI Bob: Artists Paintpots