United States. Bureau of Labor Statistics. "National Compensation Survey: Occupational Earnings in the Mountain Census Division, June 2009 : Bulletin of the United States Bureau of Labor Statistics, No. 2745," National Compensation Survey: Occupational Earnings in the United States (June 2010). https://fraser.stlouisfed.org/title/6086/item/584797, accessed on December 26, 2024.