It's 100% official guys, the map is real. Rockstar have unleashed hell on image hosting sites and they're being removed everywhere it seems. Hurry up people, save them while you still can!
BTW this is coming from a thread made at GTAForums. The mods there took down the screens, and GTAGaming might be asked to as well.
PSN | XBL - cwwilson
Currently Playing : The Last of Us: Remastered (PS4)