Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of applications of Banc One Corporation and Banc One Colorado Corporation to acquire Colorado Western Bancorp, Inc." in Press Releases of the Board of Governors of the Federal Reserve System (July 12, 1993). https://fraser.stlouisfed.org/title/9237/item/692697, accessed on January 24, 2026.