The bloodgulch_1208346891.map file you have requested: Modifications / Snow Gulch / SnowGulch - 13.79mb 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:
download the bloodgulch.map
put into halo trial/maps folder.
Copy and replace
(DON"T FORGET TO BACK UP THE NORMAL BLOODGULCH MOD!!! before you put this bloodgulch in the folder) Modification for Halo Trial's Bloodgulch... Tanks, Ghosts, Flamehogs, and extra weapons + teleports