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Photographer's Note

Mammoth Hot Springs – vanishing world:

Mammoth Hot Springs are the main attraction of the Mammoth District.

Mammoth Hot Springs are a surficial expression of the deep volcanic forces at work in Yellowstone. Although these springs lie outside the caldera boundary, their energy is attributed to the same magmatic system that fuels other Yellowstone thermal areas. Hot water flows from Norris to Mammoth along a fault line roughly associated with the Norris to Mammoth road. Shallow circulation along this corridor allows Norris' super-heated water to cool somewhat before surfacing at Mammoth, generally at about 170° F.

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Additional Photos by Michel Detay (mdetay) Gold Star Critiquer/Gold Note Writer [C: 487 W: 1 N: 1045] (4929)
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