6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 2.50,C,None,"Strong Silty" 2.00,C,None,"None" 0.30,S,None,"Weak Silty" -1.20,C,None,"Organic" -1.50,P,None,"Sandy" -2.50,-,-,-