18 3,2 top,1e+20 lithoclass,1e+20 "consistency of cohesive soils",1e+20 1.77,"clay","soft" 1.49,"clay","firm" 0.7,"clay","firm" -0.18,"clay","stiff" -0.64,"clay","soft" -1.86,"clay","firm" -2.16,"clay","soft" -4.27,"sandy clay","firm" -4.6,"clay","very soft" -5.76,"silty sand",1e+20 -6.43,"clay","soft" -13.75,"silty sand",1e+20 -14.45,"clay","soft" -16.79,"clay","stiff" -19.17,"silty sand","1e+20" -21.52,"clay","firm" -28.01,"silty sand",1e+20 -28.71,1e+20,1e+20