UNIVERSITIES
- University of Oregon Libraries: Links to State GIS Data Resources .
- Harvard University: The Harvard Map Collection - Includes over 6000 atlases, antiquarian maps, nautical charts, arial photography, and satellite imagery.
- Columbia University: Consortium for International Earth Sciences Information Network (CIESIN) - This site has a searchable index with connections to MANY other data providers.
- Michigan State University: Remote Sensing & Geographic Information Science Research and Outreach Services
- Michigan Technological University: GIS & Remote Sensing Research
- Penn State University: EOS Database (searchable)
- The University of Edinburgh: Index of WWW servers for GIS information
- The University of Maine: National Center For Geographic Information And Analysis
- The University of Maryland/NASA: Global Land Cover Facility
- The University of Michigan: Map Library
- The University of Alaska Fairbanks: Alaska SAR Facility (funded primarily by NASA)
- The University of Colorado: The Geographers Craft Project, The Department of Geography
- Universiteit Utrecht: Comprehensive list of general geography sites
GOVERNMENT AGENCIES
- State of Michigan Center of Geographic Information
- Southeast Michigan Council of Governments (SEMCOG): SE Michigan data
- U.S. Environmental Protection Agency (EPA): GeoSpatial Data Clearinghouse
- U.S. Fish and Wildlife Service: Geographical Information Systems & Spatial Data
- USGS National Geospatial Data Clearinghouse: pathway to find information about geospatial or spatially referenced data available from USGS
- USGS Earth Resource Observation Systems (EROS) Data Center: a data management, systems development, and research field center for the USGS National Mapping Division
- USGS EOS Data Gateway: remote sensing search engine
- USGS Earth Explorer: query and order satellite images, arial photographs, and cartographic products
- USGS Geographic Data Download: state by state data (DLG's, DEM's, Land Use, and Land Cover) available via FTP
- USGS National GAP Analysis Program Home Page: a geographic approach to planning for biological diversity
- USGS NAPP PhotoFinder: a quick and easy way to find and order USGS National Aerial Photography Program (NAPP) photos
- USGS River Reach Files: for the Pacific Northwest
- NOAA NESDIS: National Environmental Satellite, Data, and Information Service home page
- NOAA Satellite Active Archive (SAA): digital library of real-time and historical satellite data from NOAA's Polar-orbiting Operational Environmental Satellites (POES)
- NOAA Operational Significant Event Imagery: produces high-resolution, detailed imagery of significant environmental events which are visible in remotely-sensed data available at th eNOAA Science Center in Suitland, Maryland
- U.S. National Center For Geographic Information & Analysis (NCGIA)
- U.S. National Park Service: The National Archaeological Database
- U.S. National Wetlands Inventory
- Natural Heritage Programs: standardized data on endangered species and communities
REMOTE SENSING INFORMATION
- NASA GSFC Earth Sciences (GES) Distributed Active Archive Center: source for Earth science data and information
- The University of Maryland/NASA: Global Land Cover Facility
- NASA Global Change Master Directory: a comprehensive directory about Earth science and global change data
- NASA Jet Propulsion Laboratory (JPL) AIRSAR: data and information on AIRSAR deployments
- NASA - Earth Science Enterprise: Destination Earth
- Earth Observing System Data and Information System (EOSDIS): manages data from NASA's past and current Earth science research satellites
- Landsat-7 Gateway (NASA): information and data on the Landsat 7 mission
- RADARSAT: information on the Canadian Radarsat mission
- CEONET: Canadian remote sensing search engine
- Canada Center for Remote Sensing (CCRS): home page
- Space Imaging: company collects and distributes a large variety of satellite and aerially derived digital Earth information products from a variety of sources
GIS & REMOTE SENSING PRODUCTS & SERVICES
- ESRI: GIS and mapping software
- GEOPlace: provider of geospatial information
- INTERGRAPH: GIS on Windows NT
- ERDAS: geographic imaging software
- PCI Geomatics: geographic imaging software
- TerraServer
- TopoZone
ArcExplorer: free GIS data viewer (including Import Utility for *.e00 files)
