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,"Moderate Organic" -2.00,P,None,"Weak" -5.50,P,None,"Strong" -5.80,P,None,"Sandy" -8.20,S,None,"Moderate Organic" -8.50,-,-,-