Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilProfile1D.cs
===================================================================
diff -u -r5290 -r6404
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilProfile1D.cs	(.../SoilProfile1D.cs)	(revision 5290)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilProfile1D.cs	(.../SoilProfile1D.cs)	(revision 6404)
@@ -1,4 +1,4 @@
-// Copyright (C) Stichting Deltares 2024. All rights reserved.
+// Copyright (C) Stichting Deltares 2025. All rights reserved.
 // 
 // This file is part of the Dam Engine.
 // 
@@ -183,7 +183,7 @@
             return aquiferLayer;
         }
     }
-    
+
     /// <summary>
     /// Gets the deepest aquifer layer 
     /// </summary>
@@ -196,7 +196,7 @@
         {
             IList<SoilLayer1D> sortedLayers = Layers.OrderBy(l => l.TopLevel).ToList();
             SoilLayer1D aquiferLayer = null;
-            
+
             for (var layerIndex = 0; layerIndex < sortedLayers.Count; layerIndex++)
             {
                 SoilLayer1D layer = sortedLayers[layerIndex];
@@ -221,26 +221,7 @@
     /// The list of all clusters of in-between aquifers.
     /// </value>
     public IList<(SoilLayer1D, SoilLayer1D)> GetInBetweenAquiferClusters => InBetweenAquiferClusters();
-    
-    private IList<(SoilLayer1D, SoilLayer1D)> InBetweenAquiferClusters()
-    {
-        // At least 4 layers are needed (aquitard, aquifer, aquitard, aquifer) to get one in-between aquifer
-        if (LayerCount <= 3)
-        {
-            return new List<(SoilLayer1D, SoilLayer1D)>();
-        }
 
-        IList<SoilLayer1D> sortedLayers = Layers.OrderByDescending(l => l.TopLevel).ToList();
-        IList<SoilLayer1D> topLayers = DetermineTopLayersOfInBetweenAquiferClusters(sortedLayers);
-        if (topLayers.Count <= 0)
-        {
-            return new List<(SoilLayer1D, SoilLayer1D)>();
-        }
-
-        IList<SoilLayer1D> bottomLayers = DetermineBottomLayersOfInBetweenAquiferClusters(sortedLayers, layers.IndexOf(topLayers.First()));
-        return topLayers.Count != bottomLayers.Count ? null : topLayers.Select((topLayer, i) => new ValueTuple<SoilLayer1D, SoilLayer1D>(topLayer, bottomLayers[i])).ToList();
-    }
-
     /// <summary>
     /// Gets the highest aquifer in the highest cluster of in-between aquifers.
     /// The top layer of a cluster of in-between aquifer can't be the highest layer of the soil profile.
@@ -512,7 +493,7 @@
 
         return layer;
     }
-    
+
     /// <summary>
     /// Gets the lowest layer of the highest cluster of aquifers.
     /// </summary>
@@ -531,7 +512,7 @@
 
         return layer;
     }
-    
+
     /// <summary>
     /// Returns a <see cref="System.String" /> that represents this instance.
     /// </summary>
@@ -543,6 +524,25 @@
         return Name;
     }
 
+    private IList<(SoilLayer1D, SoilLayer1D)> InBetweenAquiferClusters()
+    {
+        // At least 4 layers are needed (aquitard, aquifer, aquitard, aquifer) to get one in-between aquifer
+        if (LayerCount <= 3)
+        {
+            return new List<(SoilLayer1D, SoilLayer1D)>();
+        }
+
+        IList<SoilLayer1D> sortedLayers = Layers.OrderByDescending(l => l.TopLevel).ToList();
+        IList<SoilLayer1D> topLayers = DetermineTopLayersOfInBetweenAquiferClusters(sortedLayers);
+        if (topLayers.Count <= 0)
+        {
+            return new List<(SoilLayer1D, SoilLayer1D)>();
+        }
+
+        IList<SoilLayer1D> bottomLayers = DetermineBottomLayersOfInBetweenAquiferClusters(sortedLayers, layers.IndexOf(topLayers.First()));
+        return topLayers.Count != bottomLayers.Count ? null : topLayers.Select((topLayer, i) => new ValueTuple<SoilLayer1D, SoilLayer1D>(topLayer, bottomLayers[i])).ToList();
+    }
+
     private List<SoilLayer1D> DetermineTopLayersOfInBetweenAquiferClusters(IList<SoilLayer1D> sortedLayers)
     {
         List<SoilLayer1D> topLayers = [];