6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.25,C,None,"Weak Silty" 1.75,C,None,"Weak Silty" 1.55,C,None,"Moderate Organic" 1.45,P,None,"None" 1.15,S,None,"Moderate Organic" 0.55,-,-,-