6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.75,C,FSC,"Weak Sandy" 2.45,C,FSC,"Sandy" 2.25,C,FSC,"Sandy" 1.65,S,CSFO,"Weak Silty" 1.25,S,CSFO,"None" -1.95,-,-,-