diff --git a/Plugin/GeodesicGrid/Cell.cs b/Plugin/GeodesicGrid/Cell.cs
index 18951d8..df1b486 100644
--- a/Plugin/GeodesicGrid/Cell.cs
+++ b/Plugin/GeodesicGrid/Cell.cs
@@ -828,57 +828,5 @@ public override bool Equals(object obj)
         public static bool operator !=(Cell a, Cell b) { return !(a == b); }
 
         #endregion
-
-        #region Specialized collections
-
-        public class Set : IEnumerable<Cell>
-        {
-            private readonly BitArray set;
-
-            public Set(int level)
-            {
-                this.set = new BitArray((int)Cell.CountAtLevel(level));
-            }
-
-            public Set(int level, byte[] array)
-            {
-                this.set = new BitArray(array);
-                this.set.Length = (int)Cell.CountAtLevel(level);
-            }
-
-            public bool this[Cell cell]
-            {
-                get
-                {
-                    if (cell.Index >= set.Count) { throw new ArgumentException(); }
-                    return set[(int)cell.Index];
-                }
-                set
-                {
-                    if (cell.Index >= set.Count) { throw new ArgumentException(); }
-                    set[(int)cell.Index] = value;
-                }
-            }
-
-            public IEnumerator<Cell> GetEnumerator()
-            {
-                for (var i = 0; i < set.Count; i++)
-                {
-                    if (set[i])
-                    {
-                        yield return new Cell((uint)i);
-                    }
-                }
-            }
-
-            IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); }
-
-            public byte[] ToByteArray()
-            {
-                return set.ToByteArray();
-            }
-        }
-
-        #endregion
     }
 }
\ No newline at end of file
diff --git a/Plugin/GeodesicGrid/Set.cs b/Plugin/GeodesicGrid/Set.cs
new file mode 100644
index 0000000..605f395
--- /dev/null
+++ b/Plugin/GeodesicGrid/Set.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Kethane.GeodesicGrid
+{
+    public class Set : IEnumerable<Cell>
+    {
+        private readonly BitArray set;
+
+        public Set(int level)
+        {
+            this.set = new BitArray((int)Cell.CountAtLevel(level));
+        }
+
+        public Set(int level, byte[] array)
+        {
+            this.set = new BitArray(array);
+            this.set.Length = (int)Cell.CountAtLevel(level);
+        }
+
+        public bool this[Cell cell]
+        {
+            get
+            {
+                if (cell.Index >= set.Count) { throw new ArgumentException(); }
+                return set[(int)cell.Index];
+            }
+            set
+            {
+                if (cell.Index >= set.Count) { throw new ArgumentException(); }
+                set[(int)cell.Index] = value;
+            }
+        }
+
+        public IEnumerator<Cell> GetEnumerator()
+        {
+            for (var i = 0; i < set.Count; i++)
+            {
+                if (set[i])
+                {
+                    yield return new Cell((uint)i);
+                }
+            }
+        }
+
+        IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); }
+
+        public byte[] ToByteArray()
+        {
+            return set.ToByteArray();
+        }
+    }
+}
diff --git a/Plugin/Kethane.csproj b/Plugin/Kethane.csproj
index d8975e1..05d99e9 100644
--- a/Plugin/Kethane.csproj
+++ b/Plugin/Kethane.csproj
@@ -50,6 +50,7 @@
     <Compile Include="CellularResourceGenerator.cs" />
     <Compile Include="CompatibilityChecker.cs" />
     <Compile Include="GeodesicGrid\Map.cs" />
+    <Compile Include="GeodesicGrid\Set.cs" />
     <Compile Include="InstallCleanup.cs" />
     <Compile Include="IWindowToggle.cs" />
     <Compile Include="LegacyResourceGenerator.cs" />
diff --git a/Plugin/KethaneData.cs b/Plugin/KethaneData.cs
index 17d1e9e..9cf4bf9 100644
--- a/Plugin/KethaneData.cs
+++ b/Plugin/KethaneData.cs
@@ -29,7 +29,7 @@ public static KethaneData Current
         }
 
         public Dictionary<string, Dictionary<string, IBodyResources>> PlanetDeposits = new Dictionary<string,Dictionary<string,IBodyResources>>();
-        public Dictionary<string, Dictionary<string, Cell.Set>> Scans = new Dictionary<string,Dictionary<string,Cell.Set>>();
+        public Dictionary<string, Dictionary<string, Set>> Scans = new Dictionary<string,Dictionary<string,Set>>();
 
         private Dictionary<string, ConfigNode> generatorNodes = new Dictionary<string, ConfigNode>();
         private Dictionary<string, IResourceGenerator> generators = new Dictionary<string, IResourceGenerator>();
@@ -82,7 +82,7 @@ public override void OnLoad(ConfigNode config)
                 var resourceNode = resourceNodes.SingleOrDefault(n => n.GetValue("Resource") == resourceName) ?? new ConfigNode();
 
                 PlanetDeposits[resourceName] = new Dictionary<string, IBodyResources>();
-                Scans[resourceName] = new Dictionary<string, Cell.Set>();
+                Scans[resourceName] = new Dictionary<string, Set>();
 
                 generatorNodes[resourceName] = resourceNode.GetNode("Generator") ?? resource.Generator;
                 var generator = createGenerator(generatorNodes[resourceName].CreateCopy());
@@ -100,14 +100,14 @@ public override void OnLoad(ConfigNode config)
                     var bodyNode = bodyNodes.SingleOrDefault(n => n.GetValue("Name") == body.name) ?? new ConfigNode();
 
                     PlanetDeposits[resourceName][body.name] = generator.Load(body, bodyNode.GetNode("GeneratorData"));
-                    Scans[resourceName][body.name] = new Cell.Set(MapOverlay.GridLevel);
+                    Scans[resourceName][body.name] = new Set(MapOverlay.GridLevel);
 
                     var scanMask = bodyNode.GetValue("ScanMask");
                     if (scanMask != null)
                     {
                         try
                         {
-                            Scans[resourceName][body.name] = new Cell.Set(MapOverlay.GridLevel, Misc.FromBase64String(scanMask));
+                            Scans[resourceName][body.name] = new Set(MapOverlay.GridLevel, Misc.FromBase64String(scanMask));
                         }
                         catch (FormatException e)
                         {
@@ -127,7 +127,7 @@ public override void OnLoad(ConfigNode config)
                     foreach (var body in FlightGlobals.Bodies)
                     {
                         var old = Scans[resource.Resource][body.name];
-                        var set = new Cell.Set(MapOverlay.GridLevel);
+                        var set = new Set(MapOverlay.GridLevel);
 
                         foreach (var cell in Cell.AtLevel(MapOverlay.GridLevel))
                         {