Standard&Poor's Ratings Services assigned its 'AA' long-term rating to Sioux City, Iowa's series 2013A general obligation (GO) bonds, series 2013B taxable GO urban renewal bonds, and series 2013C taxable GO urban renewal bonds. At the same time, we affirmed our 'AA' long-term rating and underlying rating (SPUR) on the city's existing GO bonds. The outlook on all ratings is stable. The rating reflects our view of the city's: Position as a regional economic and employment center; Adequate incomes and market value per capita; Very strong reserves and a history of operating surpluses; and Low-to-moderate overall debt burden, coupled with rapid GO debt amortization. The bonds are secured by the city's unlimited-tax GO pledge. Sioux City intends to use