7 3,2 top,1e+20 lithoclass,1e+20 "consistency of cohesive soils",1e+20 -2.73,"fill",1e+20 -2.8824,"sand",1e+20 -3.3396,"sandy clay",1e+20 -3.9492000000000003,"silty sand",1e+20 -4.5588,"sandy clay",1e+20 -5.1684,"silty sand",1e+20 -5.7780000000000005,1e+20,1e+20