6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 -1.80,P,None,"None" -3.80,P,None,"None" -6.10,C,None,"Weak Silty" -8.80,P,None,"None" -11.00,C,None,"Moderate Organic" -11.20,-,-,-