7 4,2 "Interface,m-msl",-999.99 "Lithology",-999.99 "Grain-size-distr. class NEN5104",-999.99 "Admixture",-999.99 -1.80,P,None,"None" -3.50,C,None,"Moderate Silty" -7.00,P,None,"None" -8.50,P,None,"Weak" -9.80,C,CSFO,"Strong Sandy" -10.20,S,CSFO,"None" -10.21,-,-,-