6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 -0.10,C,None,"None" -0.50,C,None,"Weak Silty" -1.00,C,None,"Weak Silty" -1.50,C,None,"Organic" -3.60,C,None,"Weak Silty" -7.10,-,-,-