A roaming hunter;Steve Gorcheck;yesterday found the body of Harry Grant;65;of Belle Vernon;a retired steel worker who disappeared last May;in a wooded section of Gibsonton cemetery between Monessen and Belle Vernon. Authorities said Grant identified through clothing by a son;George;had been missing since last May when he left his home in poor health to visit a relative. Westmoreland County Coroner;Joseph Check;added that a .38 caliber revolver was found beside the remains. There was a bullet hole in the head;he said. Surviving are his wife;Ada;four sons;George;Charleroi;Aramus;Donora;and Gerald and Carlyle at home;one daughter Doris;at home;also one brother;Alex Grant of Struthers;Ohio;one sister;Mrs.Myrtle Makinson;Youngstown;Ohio;and one grandchild.