Skiing at Jackson Hole Mountain Resort has been stellar this week, though cold as the thermometer at Thunder Lift relates. Jackson Hole real estate activity: NEW: Hoback Junction building site with .21 acres, list $275,000. PENDING: Ranch 21 at Bar BC Ranch, listed for $9 million, as well as Ranch 22, listed for $9.5 million. Both are 35+ acres and located on the Gros Ventre River. CLOSED: Teton...