6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.40,C,None,"Moderate Silty" 1.70,C,None,"Weak Silty" 1.50,C,None,"Moderate Silty" 0.90,C,None,"Weak Organic" 0.70,C,None,"Sandy" -0.30,-,-,-