NORWEST BANKS, INC MERGES WITH UNITED BANKS OF COLORADO JY 27, 1990 RMN P. 51, 56 FEATURE ON TAKE-OVER BY NORWEST CORPORATION OF UNITED BANKS OF DENVER 0 14, 1990 RMN P. 1B, 8-9B BUSINESS CHIEF RICHARD A. KIRK STEPS DOWN JY 30, 1992 RMN P. 49 ALL COLORADO UNITED BANKS WILL BECOME NORWEST BANKS ON APRIL 27 AP 9, 1992 RMN P. 5B BUSINESS