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Akihiko SUZUKI
Hokkaido Branch, Earth Science Collaborative Research Association Department of Earth Science, Sapporo Campus,Hokkaido University of Education
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Takafumi ENYA
Hokkaido Branch, Earth Science Collaborative Research Association Hokkaido Museum
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Kenji SHIGA
Hokkaido Branch, Earth Science Collaborative Research Association Ishikari Local Museum
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Maki KOBAYASHI
Hokkaido Branch, Earth Science Collaborative Research Association
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Shinya ISHIKAWA
Hokkaido Branch, Earth Science Collaborative Research Association Kazenoyakata Museum
