12 3,2 top,1e+20 lithoclass,1e+20 "consistency of cohesive soils",1e+20 -0.6,"clay","stiff" -2.73,"clay","very soft" -4.26,"sandy clay","very soft" -5.17,"silty sand",1e+20 -6.7,"clay","soft" -15.84,"clay","firm" -17.67,"clay","firm" -21.02,"sandy clay","very stiff" -21.94,"clay","very stiff" -23.46,"clay","stiff" -29.56,"clayey silt","stiff" 29.88,1e+20,"1e+20"