Geographic Information Systems (GIS),

Geography and Transportation

  Environmental Protection Agency’s (EPA) National GIS Program
  Federal Geographic Data Committee (FCDC)
  GeoWeb Project
  GIS WWW Resource List
  Global Positioning System (GPS) Overview
  List of Geography and GIS Services, Utrecht University
  Resources for Cartography, GIS and Remote Sensing
  Starting Points for CIS/Cartography
  Water Resources of the United States, United States Geological Survey (USGS)
  Xerox PARC Map Viewer

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