Color Landform Atlas
- http://fermi.jhuapl.edu/states/ca_0.html
- Includes three shaded relief maps of California and Nevada. The one titled "Shaded relief map" is in color with the state outlines added. "County map" is similar, with county outlines added. "Black and white map" shows only the state outlines.
Potentially Active Volcanoes
- http://www.nationalatlas.gov/dynamic/dyn_vol-ca.html
- Map with information about California's four potentially active volcanos: Mount Shasta, Medicine Lake, Lassen Park, and Long Valley. Information for each volcano includes name, type, photograph, elevation, and links to USGS information.