I made this to help in planning out missions on what is pretty much an incomprehensibly large terrain.
Thought you guys might like a copy too. Makes a nice break from modding the Source engine ^__^.
http://i.imgur.com/d3ZQXv5.jpg
link to download is here. Feel free to do what you want with it.
Altis (7540x7021)
http://junocloud.me/5obcbc4li2us/Altis.rar.html
Have fun :)