6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 -1.50,C,None,"Organic" -2.20,P,None,"Weak" -2.70,C,None,"Weak Silty" -5.50,C,None,"None" -6.10,P,None,"None" -7.50,-,-,-