 In February 1989, Firstar announced the pending acquisition of the Elkhorn-based Elkhorn Bankshares Corporation for an undisclosed amount.In September 1991, Firstar announced the pending acquisition of the Wauwatosa-based Federated Bank for $33 million in cash and stock.In February 1994, Firstar announced the pending acquisition of the Franksville-based First Southeast Banking Corporation with its First Southeast Bank subsidiary for $55.4 million in stock.