John Park of 308 Market Street;Fayette City;died Tuesday;May 23;1978;at 7:15 p.m.in Charleroi Division of Mon Valley Hospital.  he was 80.  Mr.Park was born in Ricing;Pa.;on March 3;1898 and was the son of the late Alexander and Margaret McBlane Park.  A veteran of World War II;having served in the U.S.Army;Mr.Park was retired from the Allenport Plant of Wheeling-Pittsburgh Steel Corp.  Survivors include his widow;Minnie Natola Park;two step-daughters;Mrs.Doris Breckenridge of Belle Vernon R.D.2 and Mrs.Lorraine Beaudry of Rapid River;Mich.;a sister;Mrs.Jennie Cameron;several nieces and nephews;several step-grandchildren and five great-step-grandchildren.  Friends will be received in the Howard W.McCrory Funeral Home;Fayette City;after 7 p.m.Wednesday.  Services will be held Friday at 1:30 p.m.in the funeral home with the Rev.Fred G.Gnatuk.  Interment will be in Belle Vernon Cemetery.  The Howard W.McCrory Funeral Home is in charge of arrangements.