Date: 1997-04-01 14:58:53Geographic information systems Physical geography Spatial Data Transfer Standard Digital line graph Earth Planetary science Spatial data infrastructure Digital elevation model Spatial database Cartography GIS file formats United States Geological Survey | | Prepared under direction of the Federal Systems Integration and Management Center and the SDTS Task ForceAdd to Reading ListSource URL: thor-f5.er.usgs.govDownload Document from Source Website File Size: 272,05 KBShare Document on Facebook
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