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Filamentous algae
Algae
Algae in run off channel at Norris Geyser Basin
Algae
Algae flow patterns
Algae
Algae flow patterns
Algae
Thermophilic algae & sinter detail
Algae
Thermophilic algae & sinter detail
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Close up of Thermophilic algae
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Close up of Thermophilic algae
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Close up of Thermophilic algae
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Close up of Thermophilic algae
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Close up of Thermophilic algae
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Close up of Thermophilic algae
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Close up of Thermophilic algae
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Close up of Thermophilic algae
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Close up of Thermophilic algae
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Algae colors
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Algae in runoff channels
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Algae in runoff channels
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Algae in runoff channels
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Algae in runoff channels
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Algae in runoff channels
Algae
Algae in runoff channels
Algae
Algae in runoff channels
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Algae in runoff channels
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Algae in runoff channels
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