welcome to the forum. unit 63 is a really big unit, come late november u may or may not need snowmobiles. those rds back in theres get nasty as nasty gets when there is any water. hit or miss game in there, lots of elk but all the times ive been out there ive never seen them inthe same place that late in season, allways on the move. drive and hope u can glass one up. ill send you a pm later on some area to check out. will you be hitting it from blackfoot side idahofalls side or mudlake side?