If you mean finding the Map Room, look at this walkthrough (note you have to scroll down to the walkthrough section and look for Level 4. See Related Links..
There is no CD version for it on Xbox 360 but you can download it on the Xbox Live Marketplace if you go on Xbox Live for 1200 Microsoft points.
The Cartographer is on The Ark towards the end of the level.
You cannot get the banshee on the level Silent Cartographer without the use of mods. But because the Banshee is in the coding of the level Silent Cartogrpher, you can do a scenario import, which is why there are many mods out there that have a banshee in that level.
Halo Trial is a PC Download which enables you to compete against other players around the world and also gives you one level called 'The Silent Cartographer'. Basically it's a small taste of Halo Combat Evolved, which contains the full game.
A cartographer.
Yes. Simply google "halo trial" and you will get several pages to download the demo game from. The demo lets you play on the campaign level Silent Cartographer, and the multiplayer level Blood Gulch.
A cartographer.
Downloading the full version of Halo is illegal, but there are Halo Combat Evolved Free demos for both Mac and PC. It is Silent Cartographer and Blood Gulch you can download it for free if you go to these link: http://www.filedropper.com/lister.php?id=h and search for it...:D
The little floating ball/robot thing should open it. There's probably an objective you didn't complete.
Cartographer
A person who makes maps is called a cartographer. The average salary of a cartographer is 47,667 dollars a year.
In the first game's campaign, Halo: Combat Evolved, there are 10 levels. These include: "The Pillar of Autumn', "Halo", "Truth and Reconciliation", "The Silent Cartographer", "Assault on the Control Room", "343 Guilty Spark", "The Library", "Two Betrayals", "Keyes", and "The Maw".For a complete list of all levels, multiplayer and campaign, of all the halo games, visit:http://halo.wikia.com/wiki/List_of_Halo_Levels
The Cartographer was created in 2010.