DULUTH, MN (KDAL) - WIth over a month left until the tax filing deadline, the Community Action Duluth Free Tax Site has already served 600 customers since opening on January 28th.  Those customers have claimed 1.45 million in tax refunds with the help of the 90 volunteers who staff the service.  Individuals and families earning up to 49 thousand dollars a year can get their federal and state returns prepared for free at 3 locations through April 15th.  The locations include the Community Action Duluth offices at 19 North 21st Avenue West, Laura MacArthur Elementary School on Central Avenue and the Ordean Building downtown.  Get more information at communityactionduluth.org