Berries on netleaf hackberry may be the most important winter food for songbirds at lower elevations along the Wasatch Front. People can eat them, too. The appealing landscape of Snow Canyon State Park where Butch Cassidy and the Sundance Kid was filmed in 1969 may have inspired Robert Redford to start the Sundance Institute in 1981. Next year will be your last chance to ask him in Park City.