Beginning in the 1940s, the U.S. Geological Survey's National Mapping Program was tasked with the immense cartographical feat of surveying the entire country to create a series of more than 50,000 ...
An Ohio-based company announced Friday that it was awarded a contract by the U.S. Geological Survey for collecting high-resolution aerial mapping data in western Arkansas that it said could be used ...
A research team led by Prof. Liu Liangyun from the Aerospace Information Research Institute of the Chinese Academy of ...
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