The data will be used to support the state's flood-risk management and infrastructure planning efforts. 3DHP is the first systematic remapping of U.S. hydrography since the original USGS 1:24,000 ...

The most complete digital topographic ever made of the Earth was released by NASA Monday. The map, known as a global digital elevation model, was created from images collected by the Japanese ...

NASA and its partners at Japan's Ministry of Economy, Trade, and Industry (METI) have released an improved and updated version of the most complete topographical map of Earth ever compiled.