Data sources listed here are recommended for use in geospatial technology programs. These sources have been selected as being highly rated from educators in the field. Many more recommendations can be found in the Geospatial Resource Repository.
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The National Map Seamless Server is the ultimate location to explore and retrieve data. U.S. Geological Survey (USGS) and the EROS Data Center (EDC) are committed to providing access to geospatial data through The National Map. An approach is to provide free downloads of national base layers, as well as other geospatial data layers.
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The Water Resources Discipline is one of four science disciplines of the USGS. The WRD mission is to provide reliable, impartial, timely information that is needed to understand the Nation's water resources.
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National Weather Service GIS
The National Weather Service produces several data sets that are available in formats available to import into Geographic Information Systems (GIS). GIS is a collection of computer hardware, software, and geographic data for capturing, managing, analyzing, and displaying all forms of geographically referenced information. It takes the numbers and words from the rows and columns in databases and spreadsheets and puts them on a map.
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ESRI ArcGIS Online (Beta)
Build public-facing or business solution-focused applications quickly by leveraging the ArcGIS Web Mapping APIs along with content from ArcGIS Online. Included are map and task services, content sharing capabilities, and a range of other online resources such as API samples and references, and code galleries.
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For many more textbook recommendations visit the Geospatial Resource Repository.
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