Map study is always a good idea. It also pays off to know what a bull is looking for in November. He's recovering from the rut so he wants easy access to food, water, and cover, and he generally wants to be alone or with a few other bulls. I have seen a lot of bulls pull back up higher in November, December, even later to get what he wants. In fact, I've seen a bull winter at timberline. In all the areas I've found consistent bulls later in the season, they all had the qualities I mentioned, but the one other factor was the lack of access, either by distance or by difficulty. For example, One mountain I found bulls on later in the season was not very far from a road. In fact, a state highway runs right below it. But the mountain is so steep that most people don't give it a second look. It's kicked my azz more than once. But nobody goes up there. Bulls like it there because they can be alone, and there's adequate resources for their survival.
I've done a lot of map study. The most consistent thing I've found is that there is better hunting in those places others won't go, either because it too rough, to far away from a road, or it's just simply overlooked.