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 31 290 1 1 72.0 72.0 23.00 23.72 0.1 16.9 83.0 31 290 2 4 79.0 79.0 70.50 75.79 0.1 25.8 74.1 31 290 6 3 75.0 75.0 156.00 159.75 0.1 62.0 37.9 31 290 7 2 72.0 72.0 213.00 215.22 0.6 56.6 42.8