In GeoEye’s gallery are numerous high resolution images of locations across the globe. The Eastern Algerian portion of the Sahara is an otherworldly place, a region of great diversity with endless stretches of sand dunes and rocky platforms that can reach more than 2,000 meters. The Tassili n’Ajjer “Plateau of the Rivers” National Park is a vast plateau in southeast Algeria at the borders of Libya, Niger, and Mali, covering 72,000 square kilometers. Satellite Image Courtesy of GeoEye
Posts Tagged ‘free GIS’
The United States GIS Data Repository (USGDR), a not-for-profit organization dedicated to “Making Public Data Public”, has partnered with TractBuilder to provide Central Appraisal Districts and certain other county-level GIS programs free licenses of the TractBuilder Tools for ArcGIS, a set of tools counties can use to map polygons and lines according to legal descriptions.