Standard&Poor's Ratings Services raised its underlying rating (SPUR) to 'AA' from 'AA-' on Marquette, Mich.'s general obligation (GO) debt, reflecting the regional nature of the local economy, coupled with improved management policies that have contributed to the city's positive financial performance. At the same time, Standard&Poor's assigned its 'AA' long-term rating to Marquette Brownfield Redevelopment Finance Authority's 2010A limited-tax GO bonds, issued for the city, and the city's 2010 limited-tax GO capital improvement bonds. The ratings reflect the city's: Growing role as a regional economic center for Michigan's upper peninsula, as well as the presence of Northern Michigan University; Adequate income indicators and strong market value per capita; Very strong reserve levels, supported by good financial