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Date: 2004-03-12 09:15:42Measurement Geophysics Topography Navigation VERTCON North American Vertical Datum Sea Level Datum Elevation Datum Geodesy Cartography Surveying | Professional Surveyor ArchivesAdd to Reading ListSource URL: www.ngs.noaa.gov.Download Document from Source WebsiteFile Size: 55,83 KBShare Document on Facebook |