United States. Bureau of Labor Statistics. "National Compensation Survey: Occupational Wages in the Mountain Census Division, January 2001 : Bulletin of the United States Bureau of Labor Statistics, No. 2553-8," National Compensation Survey: Occupational Wages in the United States (January 2003). https://fraser.stlouisfed.org/title/6084/item/584729, accessed on September 17, 2024.