diff --git a/overviewer_core/src/primitives/base.c b/overviewer_core/src/primitives/base.c
index 64f0443..e6e9515 100644
--- a/overviewer_core/src/primitives/base.c
+++ b/overviewer_core/src/primitives/base.c
@@ -16,8 +16,7 @@
  */
 
 #include "../overviewer.h"
-
-#define DEFAULT_BIOME 4 /* forest, nice and green */
+#include "biomes.h"
 
 typedef struct {
     int use_biomes;
@@ -27,58 +26,6 @@ typedef struct {
     PyObject *grass_texture;
 } PrimitiveBase;
 
-typedef struct {
-    const char* name;
-    
-    float temperature;
-    float rainfall;
-    
-    unsigned int r, g, b;
-} Biome;
-
-/* each entry in this table is yanked *directly* out of the minecraft source
- * temp/rainfall are taken from what MCP calls setTemperatureRainfall
- *
- * Some biomes, like Swamp, do a bit of post-processing by multiplying on a
- * hard-coded color. The RGB tuple used follows the temp/rainfall.
- * 255, 255, 255 is white, which means do nothing
- *
- * keep in mind the x/y coordinate in the color tables is found *after*
- * multiplying rainfall and temperature for the second coordinate, *and* the
- * origin is in the lower-right. <3 biomes.
- */
-static Biome biome_table[] = {
-    /* 0 */
-    {"Ocean", 0.5, 0.5, 255, 255, 255},
-    {"Plains", 0.8, 0.4, 255, 255, 255},
-    {"Desert", 2.0, 0.0, 255, 255, 255},
-    {"Extreme Hills", 0.2, 0.3, 255, 255, 255},
-    {"Forest", 0.7, 0.8, 255, 255, 255},
-    /* 5 */
-    {"Taiga", 0.05, 0.8, 255, 255, 255},
-    {"Swampland", 0.8, 0.9, 205, 128, 255},
-    {"River", 0.5, 0.5, 255, 255, 255},
-    {"Hell", 2.0, 0.0, 255, 255, 255},
-    {"Sky", 0.5, 0.5, 255, 255, 255},
-    /* 10 */
-    {"FrozenOcean", 0.0, 0.5, 255, 255, 255},
-    {"FrozenRiver", 0.0, 0.5, 255, 255, 255},
-    {"Ice Plains", 0.0, 0.5, 255, 255, 255},
-    {"Ice Mountains", 0.0, 0.5, 255, 255, 255},
-    {"MushroomIsland", 0.9, 1.0, 255, 255, 255},
-    /* 15 */
-    {"MushroomIslandShore", 0.9, 1.0, 255, 255, 255},
-    {"Beach", 0.8, 0.4, 255, 255, 255},
-    {"DesertHills", 2.0, 0.0, 255, 255, 255},
-    {"ForestHills", 0.7, 0.8, 255, 255, 255},
-    {"TaigaHills", 0.05, 0.8, 255, 255, 255},
-    /* 20 */
-    {"Extreme Hills Edge", 0.2, 0.3, 255, 255, 255},
-    {"Jungle", 2.0, 0.45, 255, 255, 255}, /* <-- GUESS, but a good one */
-    {"Jungle Mountains", 2.0, 0.45, 255, 255, 255}, /* <-- also a guess */
-};
-
-#define NUM_BIOMES (sizeof(biome_table) / sizeof(Biome))
 
 static int
 base_start(void *data, RenderState *state, PyObject *support) {
diff --git a/overviewer_core/src/primitives/biomes.h b/overviewer_core/src/primitives/biomes.h
new file mode 100644
index 0000000..ec506c2
--- /dev/null
+++ b/overviewer_core/src/primitives/biomes.h
@@ -0,0 +1,73 @@
+/* 
+ * This file is part of the Minecraft Overviewer.
+ *
+ * Minecraft Overviewer is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Minecraft Overviewer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the Overviewer.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#define DEFAULT_BIOME 4 /* forest, nice and green */
+
+typedef struct {
+    const char* name;
+    
+    float temperature;
+    float rainfall;
+    
+    unsigned int r, g, b;
+} Biome;
+
+/* each entry in this table is yanked *directly* out of the minecraft source
+ * temp/rainfall are taken from what MCP calls setTemperatureRainfall
+ *
+ * Some biomes, like Swamp, do a bit of post-processing by multiplying on a
+ * hard-coded color. The RGB tuple used follows the temp/rainfall.
+ * 255, 255, 255 is white, which means do nothing
+ *
+ * keep in mind the x/y coordinate in the color tables is found *after*
+ * multiplying rainfall and temperature for the second coordinate, *and* the
+ * origin is in the lower-right. <3 biomes.
+ */
+static Biome biome_table[] = {
+    /* 0 */
+    {"Ocean", 0.5, 0.5, 255, 255, 255},
+    {"Plains", 0.8, 0.4, 255, 255, 255},
+    {"Desert", 2.0, 0.0, 255, 255, 255},
+    {"Extreme Hills", 0.2, 0.3, 255, 255, 255},
+    {"Forest", 0.7, 0.8, 255, 255, 255},
+    /* 5 */
+    {"Taiga", 0.05, 0.8, 255, 255, 255},
+    {"Swampland", 0.8, 0.9, 205, 128, 255},
+    {"River", 0.5, 0.5, 255, 255, 255},
+    {"Hell", 2.0, 0.0, 255, 255, 255},
+    {"Sky", 0.5, 0.5, 255, 255, 255},
+    /* 10 */
+    {"FrozenOcean", 0.0, 0.5, 255, 255, 255},
+    {"FrozenRiver", 0.0, 0.5, 255, 255, 255},
+    {"Ice Plains", 0.0, 0.5, 255, 255, 255},
+    {"Ice Mountains", 0.0, 0.5, 255, 255, 255},
+    {"MushroomIsland", 0.9, 1.0, 255, 255, 255},
+    /* 15 */
+    {"MushroomIslandShore", 0.9, 1.0, 255, 255, 255},
+    {"Beach", 0.8, 0.4, 255, 255, 255},
+    {"DesertHills", 2.0, 0.0, 255, 255, 255},
+    {"ForestHills", 0.7, 0.8, 255, 255, 255},
+    {"TaigaHills", 0.05, 0.8, 255, 255, 255},
+    /* 20 */
+    {"Extreme Hills Edge", 0.2, 0.3, 255, 255, 255},
+    {"Jungle", 2.0, 0.45, 255, 255, 255}, /* <-- GUESS, but a good one */
+    {"Jungle Mountains", 2.0, 0.45, 255, 255, 255}, /* <-- also a guess */
+};
+
+#define NUM_BIOMES (sizeof(biome_table) / sizeof(Biome))
+