leg site hole core section top interval depth(cm) bottom interval depth(cm) top of core(m) sample_depth(m) percent sand percent silt percent clay 74 526 B 1 11 110.0 110.0 6.30 7.40 50.0 36.0 14.0 74 526 B 4 21 106.0 106.0 19.50 22.06 51.7 19.1 29.2