5:15 PM - 7:15 PM
*Satoshi Okamura1, Shunichi Ishizaki2, Masataka Aizawa3, Masayuki Ishii4, Makoto Sugawara5 (1.Hokkaido Soil Research Cooperative Association, 2.Geo-Melange, 3.Sapporo Campus, Hokkaido Education University, 4.Ishii Professional Engineer Office, 5.Earth Science Co., LTD)