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The TIGER files do not contain the census demographic data, but merely the geospatial/map data. GIS can be used to merge census demographics or other data sources with the TIGER files to create maps and conduct analysis. TIGER data is available without cost because U.S. Government publications are required to be released into the public domain.
56,000 maps in digital raster graphic form were acquired on DVDs for $1600 to make the data available. [3] Additional data made available through the project includes SVG boundary files for every US state, Topologically Integrated Geographic Encoding and Referencing (Tiger)/Line 2003 vector map data, and the USGS GeoNames database. [4]
U.S. Gazetteer, TIGER/Line shapefiles, census data. National Historical Geographic Information System: NHGIS provides free of charge, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2012. Atlas of Historical County Boundaries Project (AHCBP)
A third category between these would include formats that are owned exclusively by one company or organization, but are published and available for implementation by anyone, such as the Esri Shapefile. [5] Some file formats are text files that can be read by humans (such as those based on XML or JSON), especially those intended for data ...
President-elect Donald Trump campaigned on the promise to create more American jobs and protect existing ones. But many of his proposals and expected policy changes threaten to have the opposite ...
Download all attachments in a single zip file, or download individual attachments. While this is often a seamless process, you should also be aware of how to troubleshoot common errors. Emails with attachments can be identified with Attachment icon in the message preview from the inbox.
The actual shapefile relates specifically to the .shp file, but alone is incomplete for distribution as the other supporting files are required. In line with the ESRI Shapefile Technical Description, [1] legacy GIS software may expect that the filename prefix be limited to eight characters to conform to the DOS 8.3 filename convention, though ...
REUTERS/Brian Snyder/File Photo. His son Michael and Tiffany were married in an elaborate ceremony at Trump's Florida Mar-a-Lago Club in November 2022, according to Reuters, ...
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