Surf these sites: Bartholomew Mapping Services, Mapping Data and Services -- Bartholomew Mapping Services - Leading Map and Atlas publishers, GIS & Web Map Data Providers, and Contract Mapping Service Providers. View detailed descriptions and samples of our feature rich U.K., European and World Databases or contact our contract mapping specialists to discuss your mapping needs. Colorado Division of Local Government: Colorado Cartography and Mapping -- Local government oriented GIS Data. Also has 30M DEM coverages for the state. Digital Chart of the World -- Digital Chart of the World Data Server ETH Library Zurich -- Digital maps and GIS on the Internet - and how to find them. Links to catalogues of map collections and archives. Federal Geographic Data Committee (U.S.) -- coordinates the development of the National Spatial Data Infrastructure (NSDI). The NSDI encompasses policies, standards, and procedures for organizations to cooperatively produce and share geographic data. GIS Data Depot -- Provides free GIS data downloads and creates custom spatial data CD-ROM''s. GIS Landbase Information & Data Links -- A concise listing of National, Regional, State and Local sources for landbase related information and data. GTOPO30 - Global Topographic Data -- GTOPO30 is a global digital elevation model (DEM) resulting from a collaborative effort led by the U.S. Geological Survey''s EROS Data Center in Sioux Falls, S.D. GTOPO30 was developed to meet the needs of the geospatial data user community for regional and continental scale 30-arc second elevation data. Gecko Software -- USGS digital mapping products and file translators. GeoLytics -- This site features CensusCD products which integrate US Census and demographic data with boundaries and mapping software. Hawaii Statewide GIS Program -- The Hawaii Statewide GIS Program site is a repository of free download GIS spatial data, metadata, and maps. Louisiana Statewide GIS -- Contains GIS and mapping data on the state of Louisiana. MEGRIN -- MEGRIN simplifies access to European National Mapping Agencies digital data. MapMart -- Online ordering of Digital Mapping and Aerial Photography. Specializing in USGS products - DLGs, DEMs, DOQs, DRGs - as well as customized mapping. National Geospatial Data Framework (NGDF) -- The UK geospatial data infrastructure. Aim is to facilitate the unlocking of geospatial information (GI) through enabling better awareness of data availability, improving access to the data and integrating data by encouraging the use of standards. Resource Science, Inc. -- RSI offers high-quality GIS databases geared towards the minerals industry, including digital geology, topography, and mineral site data. Free demos are available for download. Shenandoah Valley - Data Clearinghouse -- The Shenandoah Valley National Geospatial Data Clearinghouse Node at JMU will provide access to metadata and geospatial data relating to the Shenandoah Valley and the State of Virginia. Spot Image -- Distributor of satellite imagery received from optical and radar remote sensing satellites. This earth observation raster imagery is compatible with all GIS and used for example in land mapping or vegetation monitoring Standardization Reports -- Geospatial standards and specifications (U.S. Department of Defense) TerraPoint, LLC -- Provides customers with readily available and affordable digital earth surface data using Light Detection and Ranging (LIDAR) technology. Texas Natural Resources Information System -- Texas clearinghouse for natural resources and GIS data. Online holdings include DOQs, DEMs and many vector datasets. U.S National Atlas: Map Data -- Map layers used in the U.S. National Atlas are available to the public. USGS National Mapping Information: Home Page -- Home page for national mapping information from the U.S. Geological Survey
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