3DNTM Components graphic
![3DNTM Components graphic](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/3DNTMBubble_0.jpg?itok=WeY7uAKp)
Detailed Description
The 3D National Topography Model (3DNTM) is comprised of three components: an ongoing effort to complete national baseline datasets, new development of the next generations hydrography and elevation programs, and a longer-term goal to fully integrate hydrography, elevation, and other data from The National Map in a 3D data model.
Sources/Usage
Public Domain.