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    Science > Earth Sciences > Data Centers  (28)

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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.
  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.
  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.
  Digital Chart of the World http://www.maproom.psu.edu/dcw/
Download the boundaries and layers of different countries, in Arc/INFO export format.
  United States National Atlas http://www.nationalatlas.gov/atlasftp.html
Map layers available to the public.
  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.
  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.
  National Spatial Information Framework - South Africa http://www.nsif.org.za/
Geospatial data infrastructure for South Africa.
  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.
  Geospace http://www.geospace.co.za/
Provides spatial data services.
  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.
  Community Cartography http://www.comcarto.com
An Internet mapping service and spatial data warehouse.
  Gigateway http://www.gigateway.org.uk/
Free web-based information service which provides access to geospatial metadata in the United Kingdom.
  Tennessee Spatial Data Server http://www.tngis.org
GIS data for the state of Tennessee. DOQQs, DRGs, DEMs, boundaries, wetlands, and geology.
  The Climate Source http://www.climatesource.com/
Distributor of spatial climate data developed by Oregon State University's PRISM mapping program.
  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.
  GeographX Digital Mapping http://www.geographx.co.nz/
New Zealand land information and GIS services. Site offers some free data.
  Hawaii Statewide GIS Program http://www.hawaii.gov/dbedt/gis/
Free downloadable GIS spatial data, metadata, and maps.
  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.
  GIS Express http://www.gisexpress.com
Offers satellite and aerial images.
  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.
  TTI Production - Remote Sensing and Image Processing http://www.tti.fr/
Specific geographic databases compatible with the majority of the GIS of the market.
  American Digital Cartography, Inc. http://www.adci.com/
Providers of digital mapping data for use with CAD and GIS systems.
  MyGeoPosition.com http://www.mygeoposition.com
Provides geocoding of worldwide addresses. In several languages.
  Earthmaps http://www.earthmaps.com/
Data, travel maps, recreation, and earth science applications.
  Go Spatial Limited http://www.gospatial.com
Producer of digital geographic data suitable for reference base mapping at global, regional or national levels.
  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.
  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.
  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.
  microDATA GIS http://www.microdatagis.com
Spatial databases and enhanced 911 (E911) mapping and database solutions.
  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.
  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.
  @City Inc http://www.atcity.com
iStreetView - 360-degree Geocoded Street level Imaging on the Web
  Aerial Photography and Satellite Imagery http://www.landsat.com/ortho/index.html
Company sells one foot orthoimagery and LANDSAT satellite imagery.
  The Data Depot http://www.datadepot.co.uk/
A catalogue of European mapping, geocoding and geodemographic data sets for use in GIS software.
  Rhode Island GIS http://www.edc.uri.edu/rigis/
Data clearinghouse for the state of Rhode Island.
  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
  GTOPO30 - Global Topographic Data http://edcwww.cr.usgs.gov/landdaac/gtopo30/gtopo30.html
Digital elevation model (DEM) developed to meet the needs of geospatial data users for 30-arc second elevation data.

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