United States. Bureau of Labor Statistics. "National Compensation Survey: Richland-Kennewick-Pasco, WA, July 2006 : Bulletin of the United States Bureau of Labor Statistics, No. 3135-24," National Compensation Survey (Wages and Salaries) (December 2006). https://fraser.stlouisfed.org/title/6009/item/582936, accessed on September 20, 2024.