About YAMANASHI MITSUNORI
About 専修大 北海道短大
About TANIGUCHI KEN
About 専修大 北海道短大
About 専修大学北海道短期大学紀要 自然科学編
About ponding
About snow-removing drain
About Glaciologic engineering,cold region construction
About Water utilization,others
About 積雪
About 地域
About 環境整備
About 水源