AHMAD TERRY, U.S. Department of Homeland Security ICE agents raid the Swift & Company Greeley Beef Plant Tuesday Dec. 12, 2006 to round up illegal immigrants who worked at the plant. (AHMAD TERRY/ ROCKY MOUNTAIN NEWS) (12/12/2006), [434318594] . Denver Public Library Digital Collections, accessed 23/05/2025, https://digital.denverlibrary.org/nodes/view/782080