The silentgulchv3.zip file you have requested: Maps Levels Missions / CE Maps / S to T Titles / Silent Gulch (3.0) - 7.32mb 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 This is a modded blood gulch. It adds some trees and changes the ground textures slightly. This is a good map if you want to play Blood Gulch with a little more cover on the way to the opposing base.