7 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 1.80,C,None,"Weak Silty" 0.60,C,None,"None" 0.50,C,None,"Weak Silty" 0.40,C,None,"Organic" -0.20,P,None,"Organic" -1.70,C,None,"Strong Organic" -5.20,-,-,-