We mentioned in our post on simulating lakes that Google Earth’s elevation data ... the slider on the image below to compare Sugarloaf Mountain as seen with the 3D buildings layer turned on ...

The US Geological Survey (USGS) has a program called the 3D Elevation Program (3DEP ... to wait for the first actual releases of data to see what the results are. Timothy has been using Google ...

A DEM is a computer-generated 3D topographic map that shows the height of everything on the earth’s surface. Current elevation models for the Arctic ... “I’ve never seen anything like it.” The ...