Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. The nation is presently making an investment of more than $200 million per year in ...

Today, September 23, the National Aeronautics and Space Administration (NASA), the National Geospatial-Intelligence Agency (NGA), and the U.S. Geological Survey (USGS, a bureau of the U.S. Department ...

Google has quietly added elevation data to bike routes in its Maps service, providing better intel for intrepid cyclists. The feature, which launched Friday, seems to work for much of the U.S. and ...

NASA's Commercial Satellite Data Acquisition (CSDA) Program announces the addition of three digital elevation and digital terrain products from Vantor's Precision3D Product Line to its Satellite Data ...

You can find your elevation on Google Maps by turning on the "Terrain" function. By default, Google Maps only shows elevation in mountainous areas — it doesn't report elevation everywhere. For more ...

Hey, what’s “POI alert” on GPSes? Oh, is that Points of Interest? Why would that be “Big in Europe?” These French jokes are hard. Why do I ask? Well, apparently I go to French GPS sites to get ...

A floodplain map has three key components: base map imagery and/or cartographic line work, an elevation model representing the earth’s surface or “terrain,” and flood study results generated from ...