The ArcUSA 1:2M database is a comprehensive vector basemap of the coterminous United States at a scale of 1:2 million. Features include state and county boundaries, hydrography, roads, railroads, place names, and federal lands. Index layers… Read more.
SATELLITE IMAGES
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This CD-ROM contains a digital atlas of the countries of Europe. This atlas is part of a global database compiled from USGS and other data sources at a nominal scale of 1:1,000,000 and is intended as a regional-scale reference and analytical tool by… Read more.
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This CD-ROM contains a digital atlas of the countries of North America. This atlas is part of a global database compiled from USGS and other data sources at a nominal scale of 1:1,000,000 and is intended as a regional-scale reference and analytical… Read more.
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The Land Processes DAAC was established as part of NASA's Earth Observing System (EOS) Data and Information System (EOSDIS) initiative to process, archive, and distribute land-related data collected by EOS sensors, thereby promoting the inter-… Read more.
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Raster product for easy access through the internet of free topographic images of Canada
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The Digital Chart of the World (DCW) is an Environmental Systems Research Institute, Inc. (ESRI) product originally developed for the US Defense Mapping Agency (DMA) using DMA data. We used the DCW 1993 version at 1:1,000,000 scale. The DMA data… Read more.