That unit gets some pretty good pressure and my personal opinion is that its not as good as it used to be for elk. But having said that the typical "north-facing slopes" and "dark canyons" principles apply. The accessable sweet alpine meadowy areas mid unit get hammered 2nd season. Look at the Difficult Creek area--it takes some shoe leather, but you will likely find 'm on yer way there.
Let me start by telling you the story of two Johns.
John number one went on a day hike with a couple of friends in the Cascade Mountains about an hour from Seattle. He somehow got separated from his buddies and became lost. John was dressed in casual cloths for a warm weather day hike and had nothing but a lunch with him. He spent three days in those mountains and luckily made it out to tell the story.
John number two, a friend of John number one, was much better prepared when...