Block out the surface they're labeling and go to town. The labels are part
of the surface, no other way to do it without coding that comes to mind.
Sorry.
--
James Wedding, P.E.
Engineered Efficiency, Inc.
Civil 3D 2007
XP Tablet, SP2, 2GHz, 2G
www.eng-eff.com
www.civil3d.com