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	NOS Data Explorer - http://www.noaa.gov Offers interactive mapping tools that allow users to locate NOS products in any area in the United States and its territories through a metadata catalog.
	USGS Geography - http://geography.usgs.gov/ National mapping information from the U.S. Geological Survey. A good place to start the search for many kinds of GIS data.
	Tele Atlas - http://www.teleatlas.com/ Compiler of digital maps and dynamic content used by essential navigation and location-based services.
	GeoNames - http://www.geonames.org/ A worldwide geographical database with a search function, browsable maps, and downloadable data files available free under a Creative Commons attribution license.
	Digital Chart of the World - http://www.maproom.psu.edu/dcw/ Download the boundaries and layers of different countries, in Arc/INFO export format.

	Geospace - http://www.geospace.co.za/ Provides spatial data services.
	New York State GIS Clearinghouse - http://www.nysgis.state.ny.us/ Operated by the New York State Office for Technology. Provides access to the New York State GIS Metadata and Data Repository.
	United States National Atlas - http://www.nationalatlas.gov/atlasftp.html Map layers available to the public.
	GIS Data Depot - http://www.gisdatadepot.com/ Provides free GIS data downloads and creates custom spatial data CD-ROMs.
	Texas Natural Resources Information System - http://www.tnris.state.tx.us/ Clearinghouse for natural resources and GIS data. Online holdings include DOQs, DEMs and many vector datasets.

	Louisiana Statewide GIS - http://atlas.lsu.edu/ Contains GIS and mapping data on the state of Louisiana.
	Hawaii Statewide GIS Program - http://www.hawaii.gov/dbedt/gis/ Free downloadable GIS spatial data, metadata, and maps.
	Baltic Sea GIS, Maps and Statistical Database - http://www.grida.no/baltic/ GIS data of land cover, population and other information for the Baltic Sea drainage basin.
	National Spatial Information Framework - South Africa - http://www.nsif.org.za/ Geospatial data infrastructure for South Africa.
	Community Cartography - http://www.comcarto.com An Internet mapping service and spatial data warehouse.

	Community Mapping Network - http://shim.bc.ca/ Created to share a wealth of natural resource information and maps with communities in British Columbia, Canada. Allows users to add data.
	Forest Spatial Information Catalog - http://gislab.cifor.cgiar.org/fsic The Forest Spatial Information Catalog (FSIC) is a central repository for forest related spatial metadata.
	Gigateway - http://www.gigateway.org.uk/ Free web-based information service which provides access to geospatial metadata in the United Kingdom.
	GeographX Digital Mapping - http://www.geographx.co.nz/ New Zealand land information and GIS services. Site offers some free data.
	Tennessee Spatial Data Server - http://www.tngis.org GIS data for the state of Tennessee. DOQQs, DRGs, DEMs, boundaries, wetlands, and geology.

	Kansas Geospatial Community - http://gisdasc.kgs.ku.edu State of Kansas Data access and support center (DASC). DASC catalogues, archives, and distributes databases with FGDC compliant metadata and direct FTP access.
	Infoshare: Community Data on New York City - http://www.infoshare.org/ Profile and compare neighborhoods, and produce original tables.
	The Climate Source - http://www.climatesource.com/ Distributor of spatial climate data developed by Oregon State University's PRISM mapping program.
	GIS Express - http://www.gisexpress.com Offers satellite and aerial images.
	TTI Production - Remote Sensing and Image Processing - http://www.tti.fr/ Specific geographic databases compatible with the majority of the GIS of the market.

	WMS Sites - http://wms-sites.com The Web Map Service produces maps of spatially referenced data dynamically from geographic information. This site provides a visual catalog of WMS resources online. Search for and preview WMS layers.
	MyGeoPosition.com - http://www.mygeoposition.com Provides geocoding of worldwide addresses. In several languages.
	The Data Depot - http://www.datadepot.co.uk/ A catalogue of European mapping, geocoding and geodemographic data sets for use in GIS software.
	University Library Digital Spatial Data Catalog - http://quod.lib.umich.edu/cgi/b/bib/bib-idx?g=gisall Searchable catalog of data/metadata managed by Numeric and Spatial Data Services at the University of Michigan Library
	American Digital Cartography, Inc. - http://www.adci.com/ Providers of digital mapping data for use with CAD and GIS systems.

	Doyle's GIS Info Page - http://www.doylesdartden.com/gis/ Information about GIS and Links to GIS site for mostly free data for the USA.
	Go Spatial Limited - http://www.gospatial.com Producer of digital geographic data suitable for reference base mapping at global, regional or national levels.
	Transnational Wadden Sea Information Service - http://www.waddenseamaps.net/ Indices, GIS datasets and data source holders in countries around the Wadden Sea.
	Digital Data Technologies, Inc (DDTi) - http://www.ddti.net Road centerline and address base mapping for GIS and E9-1-1.
	Earthmaps - http://www.earthmaps.com/ Data, travel maps, recreation, and earth science applications.

	Energisite.com - http://www.energisite.com/ On-line access to the Divestco Canadian libraries of raster and digital well log data. Also well ticket and scanned images of government well documents.
	3D Landscape Visualization for MAXON CINEMA 4D - http://www.digital-landscape.com/ Offers wire-meshes for the rendering software MAXON CINEMA 4D taken from the GTOPO30 dataset of the U.S. Geogical Survey. Also provide matched satellite images textures from NASA.
	@City Inc - http://www.atcity.com iStreetView - 360-degree Geocoded Street level Imaging on the Web
	Colorado Geological Survey: GIS Data - http://geosurvey.state.co.us/Default.aspx?tabid=123 State and local government oriented data including engineering geology and geologic hazards, geologic mapping, and GIS and technical services.
	Rainwater Basin GIS data site - http://www.calmit.unl.edu/rwb This site provides free GIS data sets pertaining to the Rainwater Basin wetlands in Nebraska.

	microDATA GIS - http://www.microdatagis.com Spatial databases and enhanced 911 (E911) mapping and database solutions.
	Aerial Photography and Satellite Imagery - http://www.landsat.com/ortho/index.html Company sells one foot orthoimagery and LANDSAT satellite imagery.
	Rhode Island GIS - http://www.edc.uri.edu/rigis/ Data clearinghouse for the state of Rhode Island.

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