A Celebration of Life service for Ralph Mitchell, 83, of Greenfield, will be Saturday at 10:30 am at the Immanuel Lutheran Church in Greenfield.  Flag presentation will be conducted by the Greenfield American Legion Post 265 and V.F.W. Post 5357, immediately following the service at the church.  Visitation will be Friday from noon to 7 pm at the Immanuel Lutheran Church.  Family will be present from 5 pm to 7 pm.  Steen Funeral Home in Greenfield is assisting the family.  Memorials may be made to the Ralph Mitchell Memorial Fund to be established by the family at a later date.  Online condolences may be left for the family at steenfunerals.com.  Survivors include:  Wife, Irma.  Daughter, Kim of Fairplay, California.  Sons, Jeffry of Burnsville, Minnesota and Gregory of Greenfield.  Many grandchildren.  Brother, Jack Mitchell of Greenfield.