I've been to Medora ND but never Minot. My directory shows 3 campgrounds in/around Minot. Minot KOA, Roughrider Campground and Swensons Valley View Campground. Roughrider advertises they have pull through and big rig sites. Hope this helps.
2012 F350 Lariat Supercab DRW LWB Diesel
Reese Elite 18K - Trailair Triglide
2014 Sanibel 3500 - everything but the generator!