Esri – The world leader in GIS education and software.

Free Dynamic Maps:

• ArcGIS Explorer Desktop – GIS viewer that gives you an easy way to explore, visualize, and share GIS information.
• California Department of Forestry and Fire Protection (CDF) – Access current fire information and maps.
• Google Earth – Mapping application that lets you fly anywhere on Earth to view satellite imagery, maps, terrain, 3D buildings, from galaxies in outer space to the canyons of the ocean.
• Riverside County EDA Prospector – Find optimal business locations using powerful real estate search, demographic analysis, industry reports, and dynamic mapping tools.

Free GIS Data Downloads:

• Cal-Atlas Geospatial Clearinghouse – Download geospatial data for the State of California.
• GIS Data Depot – Provides free GIS data downloads and creates custom GIS data CD-ROMs for CAD, mapping, and location based applications. 
• National Atlas – Find and make maps of America.
• Riverside County GIS – Click on ‘Land Information System (RCLIS)’ under Quick Links for maps and data.
• United States Census Bureau – Find geographic data and products such as the TIGER/Line Shapefiles, KMLs, TIGERweb, cartographic boundary files, geographic relationship files, and reference and thematic maps.
• United States Geological Survey (USGS) – Access and download maps, imagery and publications.

Free viewers are required for some of the attached documents.
They can be downloaded by clicking on the icons below.

Acrobat Reader Flash Player QuickTime Windows Media Player Microsoft Silverlight Word Viewer Excel Viewer PowerPoint Viewer