DULUTH, MN (KDAL) - Even though the John Beargrease Sled Dog Marathon was postponed until March 10th, the annual "Cutest Puppy Contest" is being held on Saturday as scheduled.  The popular contest is open to all puppies from 4 to 9 months old and those attending will be the judges.  The location for the contest is now the Black Bear Casino in Carlton and will be held from noon to 2 p-m with registration starting at 11 a-m.  Prizes will be awarded to the top three puppies.