Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of application of Yellowstone Holding Company for Yellowstone Bank in Laurel, Columbus, and Absarokee" in Press Releases of the Board of Governors of the Federal Reserve System
(February 21, 1980).
https://fraser.stlouisfed.org/title/9237/item/694923, accessed on January 16, 2026.