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NGA, NSF release 3-D Elevation Models of Alaska for White House Arctic Initiative

SPRINGFIELD, Va. — The National Geospatial-Intelligence Agency and the National Science Foundation publicly released new 3-D topographic maps of Alaska Sept. 1 in support of a White House Arctic initiative


USGS Projects Large Loss of Alaska Permafrost by 2100

Using statistically modeled maps drawn from satellite data and other sources, U.S. Geological Survey scientists have projected that the near-surface permafrost that presently underlies 38 percent of boreal and arctic


Digital Mapping of Alaska Completed Halfway

As reported in Alaska Dispatch News, Alaska is one-fifth the size of the U.S. and covered with treacherous terrain, because of which creating map of such areas is quite difficult in


USGS Releases More Than 400 Updated US Topo Maps of Alaska

More than 400 new topographic maps are now available for the state of Alaska. The new maps are part of the U.S. Geological Survey Alaska Mapping Initiative, to update foundational data