6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.40,C,None,"Weak Silty" 1.50,S,None,"None" 1.40,S,None,"None" 1.20,C,FSC,"Sandy" 1.10,S,CSO,"Weak Silty" -4.60,-,-,-