GEOG 160
Mapping Our Changing World

14. Summary

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To fulfill its mission of being the preeminent producer of attribute data about the population and economy of the United States, the U.S. Census Bureau also became an innovative producer of digital geographic data. The Bureau designed its TIGER database to support automatic geocoding of address-referenced census data, as well as automatic data quality control procedures. The key characteristics of TIGER/Line files, including use of vector features to represent geographic entities, explicitly encoded topology, and address range attributes, are now common features of proprietary geographic databases used for trade area analysis, districting, routing, and allocation.

Quiz

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