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 18 174 1 1 74.0 74.0 0.00 0.74 89.3 5.0 5.7 18 174 2 1 23.0 23.0 2.00 2.23 82.3 10.4 7.3