6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 3.60,S,ZFSO,"Moderate Organic" 3.25,S,ZFSO,"None" 2.10,S,ZFSO,"None" 0.60,S,ZFSO,"None" 0.10,S,ZUFO,"Strong Silty" -1.40,-,-,-