SIERRA VISTA — Cochise County residents are invited to learn how the Army Corps of Engineers plans to clean up decades-old munitions from local World War II-era training sites at a public meeting next week. The meeting, set for Wednesday at 6 p.m. at the Holiday Inn Express at 1902 South Highway 92, will cover the recent investigation by the Corps of two sites, both located within the San Pedro River National Conservation Area. The sites, known as the Artillery, Mortar Ranges and Maneuver Area and the Charleston Maneuver Area, were visited several times by the Corps in an effort...