TerrainType { 
   Name = normal water dark
   ID = 309
   parent = 1208
   dry { 
      GFX_Picture = 386
      TerrainProperties = water
   } dry
   few_snow ->* TerrainType.dry
   much_snow { 
      GFX_Picture = 1702
      TerrainProperties = water pack_ice 
   } much_snow
   snow_and_ice { 
      GFX_Picture = 970
      TerrainProperties = water Track_possible frozen_water 
   } snow_and_ice
} TerrainType
