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Shinichi KINOSHITA
Sabo & Landslide Engineering Dept., Nippon Koei Co., Ltd.
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Hizuki TANAKA
Landslide Prevention Division, Nagasaki-ken Public Works Dept.
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Tetsuya SASAKI
Kinki Regional Development Bureau, Ministry of Land, Infrastructure and Transport
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Hiroyuki YOSHIMATSU
SABO Technical Center