Index: src/Deltares.DSoilModel.Data/DSoilModelProject.cs
===================================================================
diff -u -r966 -r971
--- src/Deltares.DSoilModel.Data/DSoilModelProject.cs	(.../DSoilModelProject.cs)	(revision 966)
+++ src/Deltares.DSoilModel.Data/DSoilModelProject.cs	(.../DSoilModelProject.cs)	(revision 971)
@@ -511,13 +511,24 @@
 
         /// <summary>
         /// Checks the version information in the file.
+        /// SoilVersion up to 1003 is supported
         /// </summary>
         /// <param name="filename">The filename.</param>
         /// <exception cref="Deltares.DSoilModel.Data.DSoilModelProjectException">
         /// </exception>
         private void CheckVersionInfo(string filename)
         {
-            const int highestSupportedSoilVersion = 1001;
+            // First implementation of code started with SoilVersion = 1001
+            // SoilVersion 1002 added:
+            //   Parameter "SoilStrengthIncreaseExponent". This has been correctly implemented in DslGeoIo since SVN rev. 1176 
+            // SoilVersion 1003 added: 
+            //   MatStrengthType option mstCalculatedSuDOV = 9 (is not implemented in Soil, but will be translated to 
+            //     soil.ShearStrengthModel = ShearStrengthModel.CuCalculated and soil.UsePop = true)
+            //   Parameter "SoilPOPTop" (ignored, not present in  Soil)
+            //   Parameter "SoilPOPBottom" (ignored, not present in  Soil)
+            //   Parameter "SoilAdditionalFactorLEM" (ignored, not present in  Soil)
+            const int highestSupportedSoilVersion = 1003;
+
             const int highestSupportedGeometryVersion = 1000;
 
             string[] fileLines = File.ReadAllLines(filename);