무료 동영상 감상 GCNP: Water Temperature & Flow Variations

(88.9 MB) 13 May 2016에 추가됨 201번 플레이됨 Nature
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GCNP: Water Temperature & Flow Variations

애니메이션 설명:

What you need to know to deal with cold Colorado River water, treating hypothermia, and how water level fluctuations will effect the way you camp by the river.

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