Union of Operating Engineers, locals 16 and 16B, have returned to work at Queen City Paving Company, Inc., after a brief dispute was settled between the two parties.FENTON - Mary Elizabeth Eder, 39, Fenton, was killed Wednesday and her son William V. Eder critically injured in an accident on Missouri 30 south of here, the Missouri Highway Patrol said.ST. LOUIS - Marvin H. Bacon, 50; Ronald R. Czarmecki, 38, Foley, and Robert F. Regazzi, 47, St. Charles, pleaded guilty in federal court here to involvement in a conspiracy to buy about 35,000 pounds of pork stolen in March from a shipment in East St. Louis, 111.BOLIVAR — Bolivar has been approved for a $14,000 federal grant to pay for half of a new storm warning system, according to Mayor Joe Lemmon.