The culvert.zip file you have requested: Maps / Deathmatch / Culvert - 5.33mb is not available. Perhaps try browsing all files for the game Doom III and upload any files you want to share or are missing. This is the only information we could locate:
Hey all I'm DarkHelmet.This map is made for 4 players, although there are 7 start positions and the map can happily handle 7. All Weapons apart from the BFG are included (if you can find them) all with ammo. The only powerup included is megahealth. Body armour and medkit are also included. The map is suitable for deathmatch, tournament etc.Please feel free to contact me at info AT darkhelmet DOT co DOT uk. I am looking to map with a purpose, so if anyone needs a hand with maps for a mod, drop me a line.