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GIS Mapping Data Sources

Applicable Community Size

GIS is a critical tool for planners; however, access to detailed, up-to-date data layers can be difficult to find.  GIS can be used to understand community landscapes in many different planning functions and in a variety of applications.  In order to create informative maps and conduct useful analysis, planners need access to a range of data sets that provide information on a variety of topics and issue areas.  Several national and state agencies have risen to meet this  challenge and  now maintain GIS data centers that include downloadable mapping files and associ