1:100,000 Scale Metric Planimetric Maps (California Department of Forestry and Fire Protection) (map G 4360 S100 C4) Series of maps at a scale of 1:100,000 on a planimetric base that cover all of California.
California (Nationalatlas.gov) Reference map of California that shows major physical features, populated places and transportation routes.
California (Northern) (Perry-Castaneda Map Library) Image of the 1990 USGS 1:2,500,000 map of California.
California (Southern) (Perry-Castaneda Map Library) Image of the 1990 USGS 1:2,500,000 map of California.
City Lights (California Dept. of Forestry and Fire Protection, Fire and Resource Assessment Program) Show distribution of nighttime lights over California generated from a mosaic of Defense Meteorological Satellite Program Operational Linescan System imagery.
State of California : Shaded Relief (US Geological Survey) 1971 (map G4361 C1 1971 .G4) 1:1,000,000 scale map.
State Topography Image: California (US National Geophysical Data Center) Color shaded relief image with county boundaries generated from 30 arc-second digital elevation model (DEM) data.
SRTM Enhanced Blue Marble Terrain Map of California (Google Earth Library) Created by combining NASA Blue Marble imagery with the global elevation data from the Space Shuttle Radar Topography Mission (SRTM). Available as GeoPDF, GeoTIFF and Google Earth KML formats.
CA - Outline Maps
California (Nationalatlas.gov) Outline map showing California county boundaries and names.
National Digital Map Library (University of Virginia Geospatial and Statistical Data Center) For California (and other states) includes the following outline pdf maps--state boundary, county boundary, major cities, hydrography, and national parks and forests.
Zip Codes by County: California (Melissa Data) Includes by county a Google Maps outline of each zip code, along with a table giving demographic and economic characteristics of the zip code. Requires free registration.
Atlas of California Presidential Elections by County, 1932-1992 (Miller) 1995 (Atlas G 1526 F9 M6 1995) For each presidential election presents tables and maps for election results by county and political party.
Statewide Database (University of California, Berkeley. Institute of Governmental Studies) This is the official redistricting database for the state of California that includes both data and maps. Maps include Democratic and Republican registration by county; 1992 Presidential voting patterns at the census tract level; 2001 Assembly, Senate and Congressional district maps and 1991 Assembly, Senate and Congressional district maps.