Great Western Bancorp Inc. will acquire HF Financial Corp., parent of Home Federal Bank, in an $140 million deal that will create a banking operation with $11.3 billion in assets, $8.5 billion in loans and $8.6 billion in deposits and will serve 127 communities in nine states, according to a release. Both holding companies have their headquarters in Sioux Falls, S.D. The acquisition allows Great Western to add locations in eastern South Dakota, Fargo, N.D.,  and Minnesota. Great Western has 16 locations in Dallas, Jasper, Polk, Story and Warren counties.