Board of Governors of the Federal Reserve System (U.S.), 1935-. "Charts," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 17, 1986," G.3 Capacity Utilization, Manufacturing, Mining, Utilities and Industrial Materials (1986-01-17) : 2-2. https://fraser.stlouisfed.org/title/51/item/56845/toc/447347 , accessed on March 29, 2024.