The latest Geo-spatial, GIS and online mapping news, features, career postings, events, and daily wire. An independent research collaborative focused on online geographic technologies and resources for conceiving and understanding the changing urban and suburban landscapes. The Asian GIS Portal - News, articles, papers on various application areas of GIS, GPS and Remote Sensing. The Geographer's Craft Project - Global positioning system overview, written by Peter H. Dana. USGS - Introduction to GIS, by United States Geological Survey.
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