Rainbow Pool, #07303

Rainbow Pool, a broad (50 foot diam) heated pool in Black Sand Basin, will rarely erupt. Usually it is calm and mildly overflowing, allowing colorful thermophilic cyanobacteria and algae to grow around its edges. Yellowstone National Park, Wyoming, USA, natural history stock photograph, photo id 07303
Rainbow Pool, a broad (50 foot diam) heated pool in Black Sand Basin, will rarely erupt. Usually it is calm and mildly overflowing, allowing colorful thermophilic cyanobacteria and algae to grow around its edges. Yellowstone National Park, Wyoming, USA

Location: Black Sand Basin, Yellowstone National Park, Wyoming
Image ID: 07303
Format: Digital 3:2
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