Construction season is well underway, with this Melody Ranch start progressing quickly. Today’s Jackson Hole real estate activity: NEW: Northeast Forty Townhouse in Rafter J with 2 beds, 1.040 square feet, 2-car garage built in 1983, listed by Jackson Hole Sotheby’s International Realty for $599,000. NEW: Clusters in West Jackson 4-bed, 1,656-square-foot condo with 1-car garage built in 1979,...