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 74 526 1 11 138.0 138.0 0.00 1.38 76.7 7.2 16.1 74 526 2 11 131.0 131.0 1.90 3.21 43.7 15.9 40.3