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 21 206 C 2 2 39.0 39.0 413.00 414.89 0.3 36.4 63.3 21 206 C 3 2 70.0 70.0 422.00 424.20 1.1 35.4 63.5 21 206 C 4 2 73.0 73.0 431.00 433.23 0.5 31.5 68.0