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 19 189 6 2 21.0 21.0 212.00 213.71 1.2 34.7 64.1 19 189 6 21 144.0 144.0 212.00 214.94 0.8 74.0 25.2