United States. Bureau of Labor Statistics. "Wage Chronology: Atlantic Richfield Co. (former facilities of Sinclair Oil Companies), 1941-72 : Bulletin of the United States Bureau of Labor Statistics, No. 1771," Wage Chronology: Atlantic Richfield and the Oil Workers (Former Sinclair Oil Facilities) (1973). https://fraser.stlouisfed.org/title/4647/item/498907, accessed on December 22, 2024.