Yellowstone NP Wyoming

BiscuitBasin_DSC7936

Sapphire Pool in Biscuit Basin - Biscuit-like sinter deposits once lined the edge of Sapphire's crater, and in the 1880s it received its name for the knobby formations.

Sapphire Pool in Biscuit Basin – Biscuit-like sinter deposits once lined the edge of Sapphire’s crater, and in the 1880s it received its name for the knobby formations.

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