Selected websites for GIS and related fields
GIS Dictionary from Association for Geographic Information and Univ. of Edinburgh
Geographic Information Systems general info from the U.S. Geological Survey
GeoData.gov U.S. maps and data
Overview of GIS from Wikipedia
Search for Geographic Data through the National Geospatial Data Clearinghouse and their worldwide affiliates
U.S. Federal Geographic Data Commitee website
Central Coast Joint Data Committee cooperative data sets for Central California
Central Coast Spatial Data Clearinghouse for locating data sets
Science.Gov portal to authoritative selected science information provided by U.S. Government agencies