| Digital Chart of the World - Download the boundaries and layers of different countries, in Arc/INFO export format.
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| GTOPO30 - Global Topographic Data - Digital elevation model (DEM) developed to meet the needs of geospatial data users for 30-arc second elevation data.
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| Energisite.com - Internet delivery of online digital and raster well logs, well data, GeoCadd culture, and Analytical software using esri and AutoDesk MapGuide and AnGIS technologies.
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| GIS Data Depot - Provides free GIS data downloads and creates custom spatial data CD-ROMs.
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| Texas Natural Resources Information System - Clearinghouse for natural resources and GIS data. Online holdings include DOQs, DEMs and many vector datasets.
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| Hawaii Statewide GIS Program - Free downloadable GIS spatial data, metadata, and maps.
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| MapFocus GeoTIFFs - Digital raster graphics for GIS and CAD applications. Includes continental US coverage, full resolution topography.
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| United States National Atlas - Map layers available to the public.
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| Transnational Wadden Sea Information Service - Indices, GIS datasets and data source holders in countries around the Wadden Sea.
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| Tennessee Spatial Data Server - GIS data for the state of Tennessee. DOQQs, DRGs, DEMs, boundaries, wetlands, and geology.
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| Louisiana Statewide GIS - Contains GIS and mapping data on the state of Louisiana.
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| GeographX Digital Mapping - New Zealand land information and GIS services. Site offers some free data.
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| Rainwater Basin GIS data site - This site provides free GIS data sets pertaining to the Rainwater Basin wetlands in Nebraska.
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| Rhode Island GIS - Data clearinghouse for the state of Rhode Island.
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| The DataStore - Offers downloadable digital GIS data and maps.
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| Geographic Data Technology - Digital map database compiler focused on the Americas.
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| New York State GIS Clearinghouse - Operated by the New York State Office for Technology. Provides access to the New York State GIS Metadata and Data Repository.
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| Community Cartography - An Internet mapping service and spatial data warehouse.
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| The Climate Source - Distributor of spatial climate data developed by Oregon State University's PRISM mapping program.
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| Yukon Department of Renewable Resources - Site offers downloadable data on the Yukon territory.
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| National Spatial Information Framework - South Africa - Geospatial data infrastructure for South Africa.
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| Metart - ARTEMIS and AGROMET data and information. Satellite images, meteorological data and related tools.
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| Baltic Sea GIS, Maps and Statistical Database - GIS data of land cover, population and other information for the Baltic Sea drainage basin.
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| Infoshare: Community Data on New York City - Profile and compare neighborhoods, and produce original tables.
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| The Data Depot - A catalogue of European mapping, geocoding and geodemographic data sets for use in GIS software.
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| Colorado Office of Emergency Management: Cartography and Mapping - State and local government oriented GIS data.
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| American Digital Cartography, Inc. - Providers of digital mapping data for use with CAD and GIS systems.
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| Census Watch - ESRI sponsored clearing house, providing information about US census tract TIGER data availability and modifications.
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| Community Mapping Network - Created to share a wealth of natural resource information and maps with communities in British Columbia, Canada. Allows users to add data.
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| Geosign Corporation - Provides geographic data for franchises and yellow-pages listed companies.
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| Go Spatial Limited - Producer of digital geographic data suitable for reference base mapping at global, regional or national levels.
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| AUSIMAGE - Offers a series of high resolution, digital, orthorectified aerial imagery for use in areas such as advertising, planning and design and environmental monitoring.
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| GIS Express - Offers satellite and aerial images.
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| Digital Data Technologies, Inc (DDTi) - Road centerline and address base mapping for GIS and E9-1-1.
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| Doyle's GIS Info Page - Information about GIS and Links to GIS site for mostly free data for the USA.
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| @City Inc - iStreetView - 360-degree Geocoded Street level Imaging on the Web
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| 3D landscape visualization for MAXON CINAMA 4D - 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.
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| Aerial photography and satellite imagery - Company sells 1 foot orthoimagery and LANDSAT satellite imagery.
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| TTI Production - Remote Sensing and Image Processing - Specific geographic databases compatible with the majority of the GIS of the market.
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| Forest Spatial Information Catalog - The Forest Spatial Information Catalog (FSIC) is a central repository for forest related spatial metadata.
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| National Geospatial Data Framework - United Kingdom - Geospatial data infrastructure for the United Kingdom. Runs the UK Standard Geographic Base.
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| microDATA GIS - Spatial databases and enhanced 911 (E911) mapping and database solutions.
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| University Library Digital Spatial Data Catalog - Searchable catalog of data/metadata managed by Numeric and Spatial Data Services at the University of Michigan Library
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| Perfect SRTM Project - SRTM is a 90m-resolution global elevation database.
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| Kansas Geospatial Community - State of Kansas Data access and support center (DASC). DASC catalogues, archives, and distributes databases with FGDC compliant metadata and direct FTP access.
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| Earthmaps - Data, travel maps, recreation, and earth science applications.
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| USGS Geography - National mapping information from the U.S. Geological Survey.
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| NOS Data Explorer - 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.
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