Alatna and Koyukuk River water level rise in three days raising concerns for transportation, and community is on emergency flood watch.
Severe permafrost thaw and erosion along Koyukuk River banks.
7-15-14 River erosion - Evansville, Alaska, USA
6-3-13 Erosion disrupts swallows - Evansville, Alaska, USA
Erosion on the banks of the Koyukuk River is increasing in the community of Evansville and Bettles.
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