June 29, 2012 Autodesk released Service Pack 2 for AutoCAD Civil 3D 2012
Get the latest Service Pack 2 for AutoCAD Civil 3D 2012 that was officially released June 29, 2012.
Here's the link:
http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=20021271&linkID=9240698