6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.55,C,None,"Moderate Silty" 1.85,C,FSC,"Weak Sandy" 1.45,C,FSC,"Weak Sandy" -0.15,C,FSC,"Sandy" -1.35,C,FSC,"Strong Sandy" -4.15,-,-,-