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diff --git a/Stars45/TerrainLayer.h b/Stars45/TerrainLayer.h
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+/*  Starshatter OpenSource Distribution
+    Copyright (c) 1997-2004, Destroyer Studios LLC.
+    All Rights Reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name "Destroyer Studios" nor the names of its contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+
+    SUBSYSTEM:    Stars.exe
+    FILE:         TerrainLayer.h
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    A blended detail texture applied to a terrain patch
+    through a specific range of altitudes
+*/
+
+#ifndef TerrainLayer_h
+#define TerrainLayer_h
+
+#include "Types.h"
+#include "Bitmap.h"
+
+// +--------------------------------------------------------------------+
+
+class Terrain;
+class TerrainRegion;
+
+// +--------------------------------------------------------------------+
+
+class TerrainLayer
+{
+    friend class Terrain;
+    friend class TerrainRegion;
+
+public:
+    static const char* TYPENAME() { return "TerrainLayer"; }
+
+    TerrainLayer() : tile_texture(0), detail_texture(0), min_height(0), max_height(-1) { }
+    ~TerrainLayer() { }
+
+    int operator <  (const TerrainLayer& t) const { return min_height <  t.min_height; }
+    int operator <= (const TerrainLayer& t) const { return min_height <= t.min_height; }
+    int operator == (const TerrainLayer& t) const { return min_height == t.min_height; }
+
+    // accessors:
+    const char* GetTileName()        const { return tile_name;        }
+    const char* GetDetailName()      const { return detail_name;      }
+    Bitmap*     GetTileTexture()     const { return tile_texture;     }
+    Bitmap*     GetDetailTexture()   const { return detail_texture;   }
+    double      GetMinHeight()       const { return min_height;       }
+    double      GetMaxHeight()       const { return max_height;       }
+
+private:
+    Text        tile_name;
+    Text        detail_name;
+    Bitmap*     tile_texture;
+    Bitmap*     detail_texture;
+    double      min_height;
+    double      max_height;
+};
+
+
+#endif TerrainLayer_h
+