The best way for elk is to learn all the cuts of meat you'll want, roasts, steaks etc and bone the whole thing out on the hide at the site of the kill. Took us 10 hours this last season packing a bull out of a deep canyon. 1/2 mile down, 1 mile up. Tough work.
I like your pack RuRu12. It looks like it is really tall. What brand ? Looks like you can get a lot on there.