From the Minnesota Daily:
The University of Minnesota Twin Cities campus, including buildings, business offices and student study spaces, will be closed over winter break from Dec. 24, 2010 until Jan. 2, 2011.
Only essential services will remain open.
Student services offices for undergraduates and graduates will be closed, although the One Stop website will be available for online registration and checking grades.
Several University residence halls will remain open, but all University Dining Service operations will close, including the residence hall facilities.