6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.55,C,None,"Moderate Silty" 1.85,C,None,"Weak Silty" 1.45,C,None,"Strong Sandy" 0.25,S,CSFO,"None" -1.95,S,ZRSO,"None" -4.15,-,-,-