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Sapphire Pool in Biscuit Basin, Yellowstone National Park, in 1887

By Yellowstone Volcano Observatory 1887 (approx.)
Sapphire Pool in Biscuit Basin, Yellowstone National Park, in 1887
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Detailed Description

Sapphire Pool in Biscuit Basin, Yellowstone National Park, photographed by Frank Jay Haynes in about 1887. Bulbous-shaped geyserite knobs surrounding the pool reminded the photographer of biscuits. Haynes was the official Yellowstone National Park photographer at the time.  

Sources/Usage

Public Domain.