072619 504 The U.S. Army Corps of Engineers in Omaha, Nebraska, says repair work on a levee breach near Hamburg, Iowa, has been completed. The agency says the breach was one of four priority breaches to be closed in the wake of historic flooding along the Missouri River in March. The Corps says more than 500 miles of levees on the Missouri, Platte, and Elkhorn rivers, as well as other tributaries, experienced significant flood damage this year. Sioux City was hit hard when the Zenith plant