Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industrial Capacity: Manufacturing, Mining, and Utilities," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 15, 1990," G.17 Industrial Production and Capacity Utilization (1990-05-15) : 9-9. https://fraser.stlouisfed.org/title/77/item/63579/toc/454659 , accessed on May 7, 2024.