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Information about Geographic Information Systems, GPS, cartography, and geography

A free web-based open-source GIS ?textbook? available to anyone interested in using mapping tools to create maps.

All Points Blog covers breaking GIS, remote sensing, geospatial data, satellite imagery, mapping, GPS, tracking and location-based services news. It

Maps are at the core of any Search and Rescue (SAR) operation. Geographic information system (GIS) software allows rescue personnel to quickly generate maps that depict specific aspects of the operation and show what is happening on the ground over t...

GRASS GIS (Geographic Resources Analysis Support System) is an open source, free software (FOSS) Geographical Information System (GIS) with raster, topological vector, image processing, and visualization functionality

Browse through our extensive list of free Business, Computer, Engineering and Trade magazines, white papers, downloads and eBooks to find the titles that best match your skills; topics include management, marketing, operations, sales, and technology....

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