Idaho Exposure

Hiking, Climbing, Backpacking, Snowshoeing, Backcountry Skiing. Photos by Thomas Oetzell; idahoexposure.com

Lime-green Cyanidium algae and Orange cyanobacteria bacteria thrive in the varying temperatures of the acidic hot springs.

Lime-green Cyanidium algae and Orange cyanobacteria bacteria thrive in the varying temperatures of the acidic hot springs.

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