Here's a cool video (like 10min long though) that has a bunch of sleds/quads/trucks messing around in the snow and on the sand dunes. They're from farmington and the vids were shot in michigan places- like anchor bay, the UP, and the silver lake sand dunes.
I know nothing about snowmobiles (haven't been on one since I was like 9!) but that was a pretty cool video! I didn't know they could wheelie up like that....lol Looks like fun! Feels like winter is just around the corner!