13 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 -0.90,C,None,"Weak Silty" -1.20,C,None,"Weak Silty" -1.60,C,None,"Moderate Organic" -2.30,C,None,"Weak Organic" -3.90,C,None,"Strong Organic" -5.60,P,None,"None" -5.90,P,None,"None" -6.20,P,None,"Strong" -6.60,C,None,"Weak Silty" -7.30,C,None,"Weak Silty" -7.90,C,None,"Strong Silty" -9.10,P,None,"None" -9.90,-,-,-