Historically, each agency would have its own database, and then continually maintain their own data as well as data obtained from other sources. This website features an Internet Map Server which searches several different databases and makes custom maps of any portion of the state. The website also includes a new 3-D visualization section which allows users to view and interactively manipulate geologic data in three dimensions. UC Berkeley Earth Sciences and Map Library. Each is loaded with ArcView, providing full interactive map-ping and data analysis capabilities.
Users can query the data and make maps of specific areas.
Each workstation is loaded with GIS data layers currently available for the City of Oak-land San Francisco and the Bay Area. Geospatial data is provided from various federal and state agencies, and much of it is available for down-loading over the Internet. SanGIS is the result of a joint powers agreement between the City and County of San Di-ego. But, in 1997, after 13 years of data and application development, the City and County decided to move the focus of the GIS more towards joint data management and public access. You'll. be amazed at the rapid development of on-line GIS applications.