I got one this last fall for an deer hunt in a unit I was unfamiliar with. I also had some maps of national forest areas in the unit and found those maps worked much better. The Eastman map didn't show the entire unit either, not sure if it was because it was an older map or if they hadn't updated it. Either way I don't know if it was just that unit or what but I wouldn't use them again. Check out mytopo.com you can get custom maps that I've found are pretty good.