Civil 3D Reference Templates
Mark Schnesk walks through the bare essentials of a single source Reference Template in Civil 3D.
From the Autodesk AKN Civil 3D Screencasts
See Mark Schnesk's AKN page
See the Seiler Design Solutions blog.
Be aware the Civil 3D will not currently remove all Style references when a Reference Template is detached.
You can employ the Style Purge command in the Manage Ribbon to do so.
See the Three Wishes for Civil 3D Reference Templates post for more Reference Template details, links, and videos