APPLETON, Wis. — Lawrence University travels to Northland College for a big Northern Collegiate Hockey Association series this weekend. The Vikings and Lumberjacks are battling for a playoff berth from the NCHA’s North Division. With just four games left in the regular season, Lawrence is just one point out of the playoffs, and Northland is just three back. Friday’s game at the Bay Area Civic Center is at 7 p.m. and Saturday’s contest begins at 2 p.m.