6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 4.10,C,None,"Weak Sandy" 3.20,C,None,"Moderate Silty" 2.60,C,None,"Strong Sandy" 2.30,S,CSGO,"None" 1.00,S,ZUGO,"Strong Grainly" -3.40,-,-,-