4 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 1.10,C,None,"Weak Silty" 0.40,C,None,"Weak Silty" -1.30,P,None,"Moderate Organic" -6.60,-,-,-