7 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 -1.70,C,None,"Weak Organic" -2.10,C,None,"Moderate Organic" -2.50,C,None,"Weak Silty" -3.10,C,None,"Weak Silty" -3.70,C,None,"Strong Silty" -7.90,P,None,"None" -8.70,-,-,-