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* UC Irvine access only

Geographic Information Systems (GIS): California


California Programs

Southern California

California GIS Data

Online GIS data sets

Data sets come in a variety of formats. Some are straight data that require special software to be converted into data useful for GIS. Other data must be used with a specific GIS software such as ArcGIS by ESRI. While others may come packaged with their own software. Below are selected sites for data useful for GIS. Emphasis has been placed on local and regional services.