Skip to main content
U.S. flag

An official website of the United States government

3D National Topography Model Graphic Slide

Detailed Description

The 3D National Topography Model (3DNTM) is a vision for an integrated 3D model of elevation and hydrography data that will support environmental, climate change, and infrastructure applications. It responds to changing U.S. policy and will support Federal, State, local, and other stakeholder needs.


Public Domain.