Photo Essay: Yellowstone Region Rivers in January

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Temperatures in the Greater Yellowstone area in winter can drop well below zero degrees in January and occasionally stay there for days. But ice and snow are good insulators, and flowing water resists freezing on the molecular level, even in extreme conditions.

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David Gallipoli, a Connecticut Yankee who has been fly fishing the waters of the Rockies for twenty-five years, lives in Bozeman, Montana. A photographer, general contractor, and craftsman, his photography can be viewed and purchased on www.gonefishinstories.com.