Another thing I forgot: not all BLM areas are open to shooting. This is another good reason to talk to Officer Funk. He'll tell you where to go, and where not to go. He'll tell you where to hunt, and how to access some spots that have difficult access. Really, he's a valuable resource, and a nice guy. I wish the DFGW would hire him as their new head of Public Relations and Enforcement Policy and Warden Training.
Oh, and one more thing. There are BLM properties that are not open to shooting, but are open to hunting. The neighbors, however, might not like you being there, and might just call the Border Patrol on you, and say "there's a guy walking around with a shotgun". And the BP might just show up and say "didn't you see the signs that say "NO SHOOTING"? To which you will respond, "NO SHOOTING except in lawful pursuit of game and mammals." Know the rules better than those who will respond to the calls from the begrudging neighbors.