diff --git a/GsaGH/Parameters/5_Results/GsaAnalysisCaseResult.cs b/GsaGH/Parameters/5_Results/GsaAnalysisCaseResult.cs
index 4e038ee66..48ba37652 100644
--- a/GsaGH/Parameters/5_Results/GsaAnalysisCaseResult.cs
+++ b/GsaGH/Parameters/5_Results/GsaAnalysisCaseResult.cs
@@ -45,7 +45,7 @@ public class GsAnalysisCaseResult : IGsaResult {
 
 
 
-    internal Dictionary<int, GsaResultsValues> NodeDisplacementValues { get; set; } = new Dictionary<int, GsaResultsValues>();
+    internal Dictionary<int, GsaResultQuantity> NodeDisplacementValues { get; set; } = new Dictionary<int, GsaResultQuantity>();
 
 
 
@@ -60,8 +60,6 @@ public class GsAnalysisCaseResult : IGsaResult {
 
     public CaseType Type { get; } = CaseType.AnalysisCase;
 
-    CaseType IGsaResult.Type => throw new NotImplementedException();
-
     public GsAnalysisCaseResult() { }
 
     internal GsAnalysisCaseResult(GsaModel model, AnalysisCaseResult result, int caseId) {
@@ -75,21 +73,35 @@ public GsaResultsValues GetNodeDisplacementValues(string nodelist, LengthUnit le
       if (nodelist.ToLower() == "all" || nodelist == string.Empty) {
         nodelist = "All";
       }
-        if (!NodeDisplacementValues.ContainsKey(nodelist)) {
-          if (!ACaseNodeResults.ContainsKey(nodelist)) {
-            ACaseNodeResults.Add(nodelist, AnalysisCaseResult.NodeResults(nodelist));
-          }
-
-          NodeDisplacementValues.Add(nodelist,
-            ResultHelper.GetNodeResultValues(ACaseNodeResults[nodelist], lengthUnit));
+      if (!NodeDisplacementValues.ContainsKey(nodelist)) {
+        if (!ACaseNodeResults.ContainsKey(nodelist)) {
+          ACaseNodeResults.Add(nodelist, AnalysisCaseResult.NodeResults(nodelist));
         }
 
+        NodeDisplacementValues.Add(nodelist,
+          ResultHelper.GetNodeResultValues(ACaseNodeResults[nodelist], lengthUnit));
+
+
+
+      }
+
       return NodeDisplacementValues[nodelist];
     }
 
+    protected ReadOnlyDictionary<int, ReadOnlyCollection<NodeResult>> GetAnalysisCaseNodeResults(string nodelist) {
+
+
+      ReadOnlyDictionary<int, NodeResult> values = AnalysisCaseResult.NodeResults(nodelist);
+
 
+      var result = new ReadOnlyDictionary<int, ReadOnlyCollection<NodeResult>>(values);
 
 
+    }
+
+    protected ReadOnlyDictionary<int, ReadOnlyCollection<NodeResult>> GetCombinationCaseNodeResults(string nodelist) {
+
+    }
 
     public GsAnalysisCaseResult Duplicate() {
       return this;
diff --git a/GsaGH/Parameters/5_Results/IGsaResult.cs b/GsaGH/Parameters/5_Results/IGsaResult.cs
index a73c9fb29..2b07c956e 100644
--- a/GsaGH/Parameters/5_Results/IGsaResult.cs
+++ b/GsaGH/Parameters/5_Results/IGsaResult.cs
@@ -1,10 +1,11 @@
-using OasysUnits.Units;
+using System.Collections.Concurrent;
+using OasysUnits.Units;
 
 namespace GsaGH.Parameters {
   public interface IGsaResult {
     CaseType Type { get; }
 
-    //GsaResultsValues GetNodeDisplacementValues(string nodelist, LengthUnit lengthUnit);
+    ConcurrentDictionary<int, GsaResultsValues> GetNodeDisplacementValues(string nodelist, LengthUnit lengthUnit);
 
     // etc.
   }