4 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.70,C,None,"Weak Silty" 2.10,S,None,"Strong Organic" 1.70,S,None,"None" -4.30,-,-,-