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[in Japanese]
Bio-Agricultural Sciences, Nagoya University
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[in Japanese]
Sabo, Niigata Prefecture Office
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[in Japanese]
Geographical Survey and Photography
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[in Japanese]
Department Agriculture, Shizuoka University
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[in Japanese]
Sabo Frontier Foundation
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[in Japanese]
National Institute for Land and Infrastructure Management
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[in Japanese]
Pasco Corporation
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[in Japanese]
Graduate School of Life and Environmental Sciences, University of Tsukuba
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[in Japanese]
Meiji Consultant Co., Ltd.
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[in Japanese]
Asia Air Survey Co., Ltd.
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[in Japanese]
Graduate School of Geo-environmental Science, Rissho University
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[in Japanese]
Disaster Prevention Research Institute, Kyoto University
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[in Japanese]
Sabo Library