日本地質学会関東支部総会とシンポジウム 関東平野の地下地質 都市地質問題(環境資源・地域開発・防災)の基礎資料を求めて ポスター Poster for the General Meeting and Symposium of the Kantō Branch of the Geological Society of Japan, Subsurface Geology of the Kantō Plain, in Search of Fundamental Data on Urban Geological Issues (Environmental Resources, Regional Development, and Disaster Prevention)