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 13 131 1 1 70.0 70.0 30.00 30.70 89.5 0.5 10.0 13 131 1 21 130.0 130.0 30.00 32.80 92.1 1.0 6.9 13 131 1 4 74.0 74.0 30.00 35.24 92.9 0.7 6.4