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 2 8 A 1 11 103.0 103.0 278.30 279.33 2.0 68.2 29.8 2 8 A 1 2 7.0 7.0 278.30 279.87 0.4 63.6 36.0