The past couple years have been warmer than normal contributing to where the river is still flowing ice and with some of the plants still green.
11-1-13 Boats still on the river - Koyukuk, Alaska, USA
We have had an extremely warm winter, and the river had many open holes that never froze completely.
11-18-14 Winter river break-up - Kongiganak, Alaska, USA
4-13-14 River ice treacherous - Bethel, Alaska, USA
Earliest Tokositna River break up ever in Denali State Park.
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