The 'AA' rating on Albuquerque, N.M.'s GO general-purpose bonds series 2005A and GO storm sewer bonds series 2005B reflects the city's: Expanding and diversifying economic base, Historically stable financial operations, and Manageable debt burden. The series 2005 bonds are secured by the city's full faith and credit pledge, payable from unlimited property taxes. Proceeds from the 2005 bonds will be used to finance the acquisition of certain projects related to fire and police protection, parks and recreation, libraries, transit, storm sewers, streets, and other purposes. Albuquerque, with a population of almost 480,000, is New Mexico's largest city and economic center and comprises about 80% of Bernalillo County's assessed valuation (AV). Services and trade, government, and manufacturing represent the area's economic