6 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 -0.40,C,None,"Weak Organic" -0.90,C,None,"Strong Sandy" -1.00,S,CSGO,"None" -2.40,S,ZRSO,"None" -4.30,S,CSFO,"None" -6.40,-,-,-