I have spent alot of time in the experimental forest. I used to do fisheries research inside and outside the fence. I have accompanied friends on a couple of different deer hunts as well. The hunting in the fence is no different than outside the fence. If it is hot you have to bust the bucks out of the thickets. The large bucks hole up before sunlight in the thickest stuff. There is lots of spruce bud worm kill in the forest which has opened the canopy allowing the white fir to grow some very dense thickets. Tough to get around in these areas, especially with all the downed timber. Cruchy!!!
If you can get some rain the bucks can be found in the heads of the canyons. You will find that there are no real secrets in the experimental forest. You just have to be more hard core than the next guy.
If it is dry in there it is very tough hunting. You may not see jack. Be prepared for that.
I have seen some of the big bucks and have seen my friend harvest a dandy 28" non typical. The buck was in a pole thicket right on the ridgeline 200 yards above a road and didn't budge until this guys stepped on him. If you have ever hunting blacktails in the timber, it is similar.
I hunted with one guy who missed three 25"+ bucks opening morning.
Be patient and keep your head in the game. With the right weather and a little luck will have a chance at a heavy horned 25"+ buck.