4 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 3.10,C,None,"Weak Silty" 2.00,C,None,"Moderate Organic" 1.30,C,None,"Sandy" 1.00,-,-,-