The first week of October brings harbingers of winter with leaden skies, high mountain snow and active animals, especially in Grand Teton National Park, pictured here as seen from Snow King in Town of Jackson. Today’s Jackson Hole real estate activity: NEW: Town Creek/Meadowbrook 1-bed, 608-square-foot condo built in 1979, listed by Prugh Real Estate for $335,000. NEW: Aspens 2-bed,...