United States. Bureau of Labor Statistics. "Employment and Wages in First Quarter 2002: New Quarterly Series from BLS : Release, USDL 02-591,"
County Employment and Wages
(October 16, 2002).
https://fraser.stlouisfed.org/title/9614/item/707749/content/pdf/cewqtr_20021016, accessed on March 15, 2026.