"Any tips for that region other than just studying the maps and exploring on my own?"
First of all, look over a lot of topo maps, and if you see some large areas with no roads or trails, then start to focus in. It helps if you have a good mapping program on your computer.
Once you start to see some areas, but you don't know much more about them, try to figure out what the name is for some cross-country pass. Gabbot Pass comes to mind (near Mono Pass out of Rock Creek). I had heard of another pass, Harrison Pass, which is near Forester Pass, so I went there last summer. Internet searches can turn up all sorts of things, either in text or in images. If you have a place name but nothing else, then search at Climber.Org
There may be trip reports, either recent or historic. If there are no recent trip reports at all, then that may be a bad sign that nobody goes there at all, or else nobody goes there who survives.
Before you go dashing off into the wilderness, maybe recruit a few friends to go along. That would make it safer.