Add Contour Data Setting Options
USCAD's James Lord steps through the functionality and tips to Add Contour Data to a Civil 3D Surface model.
From James Lord's AKN page
See James Lord's YouTube channel
See James Lord's blog on USCAD.com
James covers some handy and functional settings tricks for the Add Contour Data to a surface command in Civil 3D.
The video does a good job to both explain and show the results of the various Add Contour Data command settings.