...May 10, 2019 DALLAS (S&P Global Ratings) May 10, 2019--S&P Global Ratings has corrected by raising its long-term rating and underlying rating (SPUR) to '###' from '##' and 'A+' on River Place Municipal Utility District (MUD), Texas' series 2009 unlimited-tax refunding bonds. The outlook is stable. These bonds are enhanced by a bond insurance policy from Assured Guaranty Municipal Corp. (##/Stable). Because the underlying rating is rated higher, we are raising the long-term rating. On May 2, 2019, we raised the ratings based on the city of Austin's assumption of the MUD's debt, and this series was missed....