About ONO RYUICHIRO
About 新潟県柏崎常盤高
About IIKAWA TAKEKATSU
About 新潟県長岡大手高
About UDA TSUYOSHI
About TATEISHI MASAAKI
About TOKUMA SEIICHI
About 新潟産大 高
About HASEGAWA TADASHI
About 新潟県新井高
About WATANABE ISAMU
About 新潟県北条北小
About Pleistocene Epoch
About Geological structure and tectonics
About 新潟
About 砂丘
About 地域
About 発達
About 後期更新世
About 断層