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*Katsumi Yamanoi
Hokkaido Research Center, Forestry and Forest Products Research Institute
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Shin Sugiyama
nstitute of Low Temperature Science, Hokkaido University
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Hitoshi Onishi
Avalanche Safety Seminar in Hokkaido
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Manami Takahashi
Avalanche Safety Seminar in Hokkaido
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Kazuki Nakamura
Hokkaido Regional Office, Japan Weather Association