Loved all the photo's! My dream is to make it up there "some day" to hunt!
Are you cutting them in half with a hand saw of some type? I have an idea!
I would imagine you folks take a small to medium size chain saw or two with you to camp. Keep one or two as wood saws for firewood or clearing downed trees etc, but keep a third on in the buggies that is a dedicated "meat saw" Instead of bar oil in it, use luquid cooking oil and take a gallon jug or two on your trip with you. The chainsaw would make quick work of splitting a moose down the spine, and the cooking oil will not contaminate the meat! What do you think? I've heard of folks/outiftters that used that trick on elk down near the Gardiner Montana area on the late elk hunts. I don't know why that would not work and work very well for you!! If I draw a BISON tag, I'm going to take a saw set up just for that purpose to assist in the quartering of such a huge animal.
Keep the photo's coming!!