You can use this program to access AutoCAD Civil 3D drawing files.
DWG TrueView: Free application for viewing and plotting DWG and DXF files.
You can retrieve property data while reviewing AutoCAD Plant 3D models.
You can load and view DWG files without having AutoCAD installed.
The Autodesk 2006 Object Enabler allows object data created in Autodesk.
