Winter fun is headed to Ironwood, Michigan on December 15th and 16th at Mt. Zion Ski Hill! The opening round of the year kicks in off Ironwood, Michigan at Mt. Zion Ski Hill. This track promises to offer an impressive, elevation-charged track to open the season along with the AMSOIL Dominator, a head-to-head competition between the world’s greatest Snocross racers …