Index: src/Deltares.DSoilModel.Data/DSoilModelProject.cs
===================================================================
diff -u -r975 -r982
--- src/Deltares.DSoilModel.Data/DSoilModelProject.cs	(.../DSoilModelProject.cs)	(revision 975)
+++ src/Deltares.DSoilModel.Data/DSoilModelProject.cs	(.../DSoilModelProject.cs)	(revision 982)
@@ -431,7 +431,8 @@
         }
 
         /// <summary>
-        /// Reads a SoilProfile2d (geometry) from the given file (sti or geo) and adds it to the project ensuring a unique name
+        /// Read a SoilProfile2d (geometry) and yield stresses from the given file (sti or geo).
+        /// Add it to the project ensuring a unique name
         /// </summary>
         /// <param name="fileName">file name (*.sti, *.geo)</param>
         /// <param name="skipSoilsWithSameName">Option to ignore soils with duplicate names, required for DAM defx import</param>
@@ -472,6 +473,12 @@
                         {
                             soilLayer2D.Soil = soilList.FirstOrDefault(s => s.Name.Equals(soilLayer2D.Name));
                         }
+
+                        // Read yield stresses
+                        YieldStressFromDSerieFileImporter importer = new YieldStressFromDSerieFileImporter();
+                        List<PreConsolidationStress> importedYieldStresses = importer.ReadYieldStressesFromFile(fileName);
+                        sp2.PreconsolidationStresses.AddRange(importedYieldStresses);
+
                         return sp2;
                     }
                     finally
@@ -512,6 +519,8 @@
         /// <summary>
         /// Checks the version information in the file.
         /// SoilVersion up to 1003 is supported
+        /// GeomtryVersion up to 1000 is supported
+        /// YieldStressVersion up to 1000 is supported
         /// </summary>
         /// <param name="filename">The filename.</param>
         /// <exception cref="Deltares.DSoilModel.Data.DSoilModelProjectException">
@@ -529,7 +538,7 @@
             //   Parameter "SoilAdditionalFactorLEM" (ignored, not present in  Soil)
             const int highestSupportedSoilVersion = 1003;
             const int highestSupportedGeometryVersion = 1000;
-            const int highestSupportedYieldStressVersion = 0;
+            const int highestSupportedYieldStressVersion = 1000;
 
             string[] fileLines = File.ReadAllLines(filename);
             List<string> fileContent = fileLines.ToList();