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Key Library Resources

What is GIS?

A Geographic Information System (GIS) "integrates hardware, software, and data for capturing, managing, analyzing, and displaying all forms of geographically referenced information. What is GIS used for? There are many applications, spanning a wide variety of disciplines. Some examples include:

Emergency Services: wildfire spread, missing person location, least-cost paths to accident sites

Social Sciences: crime rates, food deserts

Mapping & Data Sources by Subject

The quality and content of GIS data can vary greatly, as well as the fees and ease of access. Many datasets can be obtained for free. Listed below are links to sources for data types ranging from global to city level.