Call the ODFW guy. He had some ideas the last few years, but the elk are few and far between. If you can get up high and glass for awhile you will have your best bet. I got into two herds up on Yainax Butte.
Get ahold of Dave Antley jr, he lives in Klamath Falls and is a "guide", and knows everything about elk. Ask him for pictures of all his past clients big bulls, I am sure he has tons of pictures and stories!