LINZ Head of Location Information, Aaron Jordan says around 500 Topo50 and Topo250 maps are now available as a single ...

A digital map of the elevation of an area on the earth. The data are either collected by a private party or purchased from an organization such as the U.S. Geological Survey (USGS) that has ...

The New India Map Stack: A digital revolution for India The New ... engineering-grade data, and detailed elevation models. This is more than just mapping roads and buildings—it is about enabling ...