Yes, it is in 90% of the cases out there with C3D.
Could you be a bit more specific? You can contact me offline if you prefer,
james.wedding@ either domain below.
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James Wedding, P.E.
Engineered Efficiency, Inc.
Civil 3D 2007
XP Tablet, SP2, 2GHz, 2G
www.eng-eff.com
www.civil3d.com