The snowstorm_classic.zip file you have requested: Maps Levels Missions / CE Maps / S to T Titles / Snow Storm Classic - 5.87mb is not available. Perhaps try browsing all files for the game Halo: Combat Evolved and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Halo, visit Halo2.filefront.com A Classic Halo, U-Shaped canyon with forerunner bases built into the snow frozen cliffs. Supports most gametypes.