 In November 1989, Buttrey-Osco announced it would close its store in early 1990.In August 1990, after months of speculation, Sears confirmed plans to close its downtown Great Falls store and relocate to the site of the former Buttrey-Osco store in late fall 1991.During 1991, Herberger's expanded its store after acquiring 8,500 square-feet of space on the mall's lower-level from Big Bear Sports Centers.