Jeff Owens, a civil engineer with the U.S. Army Corps of Engineers Los Angeles District’s Arizona-Nevada Area Office, discusses the Clay Avenue Wash Detention Basin with Col. Kim Colloton, the LA District commander and Rich Fontanilla, the District’s area engineer, during a Mar. 13 trip to Flagstaff. Members of the District escorted Colloton around projects the District is working on throughout the Flagstaff area.