The bloodgulch_1206381179.map file you have requested: Maps Levels Missions / Bloodgulch Maps / Halo Trial Airbase Mod 1.1 - 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:
This modded map is for the halo trial, it includes a high base made out of logs. The way to get to the base is that you have to go into the place with the flame thrower and where the over shield is there should be a like patch of weeds on the wall, o Halo Trial AirBase - This modded map is for the halo trial, it includes a high base made out of logs.