4 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 1.30,C,None,"Weak Silty" 0.60,C,None,"Moderate Organic" -0.90,P,None,"Sandy" -2.70,-,-,-