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 63 470 15 1 90.0 90.0 133.00 133.90 1.6 27.6 70.8 63 470 17 11 117.0 117.0 152.00 153.17 0.4 25.6 74.0