Standard&Poor's Ratings Services assigned its 'BBB+' rating, and stable outlook, to South Dakota Health and Educational Facilities Authority's series 2005 revenue refunding bonds, issued for Huron Regional Medical Center Inc. Standard&Poor's also affirmed its 'BBB+' rating, and stable outlook, on Huron Regional Medical Center's debt outstanding. The rating reflects Huron's sound business position as a critical access provider and sound operating performance. Additional rating factors include Huron's: Market share within the primary service area of 65%, Restored operating profitability in fiscal 2005, and Maintenance of overall balance sheet strength. Credit concerns remain regarding Huron's: Declining volumes, which are expected to improve during fiscal 2006; Weak service area economy that is expected to strengthen upon the arrival