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Date: 2006-03-07 09:39:24Measurement Geophysics Primary airport control station Orthometric height Elevation Datum U.S. National Geodetic Survey National Spatial Reference System National Geographic Society – Palomar Observatory Sky Survey Geodesy Surveying Cartography | Microsoft Word - PR_SOW_v9a.docAdd to Reading ListSource URL: www.ngs.noaa.govDownload Document from Source WebsiteFile Size: 2,25 MBShare Document on Facebook |