Father of Six Dies Of InjuriesJohn D. Miller, 57, of RFD 1, died Sunday morning in Grace Hospital of injuries received Tuesday in a construction accident.He was injured when a five by eight foot slab of concrete toppled, pinning him beneath it.The slab, a portion of a septic tank he was helping construct at the farm of his brother David L. Miller, of Partridge, fell as Miller w'as adjusting a supporting rod. A metal hook embedded in the slab pierced his chest.Miller, the father of six, was a farmer and a co-owner of the Prairie Construction Company,Partridge.ip\toClbithP.PiR