6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 0.35,S,None,"Weak Silty" 0.15,S,None,"Weak Silty" -0.95,C,None,"Weak Organic" -2.75,C,None,"Weak Organic" -3.95,C,None,"Strong Organic" -4.65,-,-,-