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The top documents tagged [g r o u n din]
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A program within NOAA's National Geodetic Survey (NGS) that provides accurate height information by integrating Global Positioning System (GPS) technology
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National Height Modernization Program Overview January 24, 2006 Juliana Blackwell Height Modernization Program Manager
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National Height Modernization Program Overview January 24, 2006 Juliana Blackwell
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