If you are looking for this software for professional or educational use, consider these safer paths:

: Automated earthwork calculations for cut-and-fill analysis. Official & Safe Alternatives

AutoCAD Land Desktop (LD) 2009 was a specialized toolset for civil engineering and land development. Its core features included:

: Integrated Coordinate Geometry (COGO) tools for managing points and field data.

While these types of downloads are common on unofficial forums, using them carries significant risks, including malware or incomplete software. For a "proper" and secure feature set, it is highly recommended to use official Autodesk methods to access legacy software. Key Features of AutoCAD Land Desktop 2009

: Capability to create digital terrain models (DTMs) and generate contour lines from points or 3D lines.

: If you have a current AutoCAD subscription, you can often download previous versions (up to 4-5 versions back) directly from your Autodesk Account.

: Land Desktop was officially replaced by AutoCAD Civil 3D , which incorporates all Land Desktop features into a more modern, dynamic BIM (Building Information Modeling) environment. Download AutoCAD | AutoCAD Free Trial - Autodesk