6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.90,C,None,"Weak Silty" 2.40,C,FSC,"Weak Sandy" 2.20,C,None,"Weak Silty" 1.40,C,None,"Weak Silty" 0.90,P,None,"None" -1.40,-,-,-