Board of Governors of the Federal Reserve System (U.S.), 1935-. "Issuance of determination that Dewco Agency Company does not control Ziebach County Abstract Co., Inc." in Press Releases of the Board of Governors of the Federal Reserve System (June 20, 1980). https://fraser.stlouisfed.org/title/9237/item/695045, accessed on April 20, 2026.