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 57 439 22 2 68.0 68.0 1001.50 1003.68 35.1 44.4 20.4 57 439 22 41 130.0 130.0 1001.50 1007.30 37.1 42.6 20.3 57 439 23 1 98.0 98.0 1011.00 1011.98 40.8 39.1 20.1