6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 -1.70,P,None,"None" -5.70,C,None,"Weak Silty" -6.90,P,None,"None" -9.10,C,None,"Moderate Organic" -9.60,S,CSFO,"None" -9.70,-,-,-