Oregon, California and Nevada (1995 Subregions)

Subregions

  • Arizona
  • Arizona-Sonora border region
  • California-Arizona border region
  • California-Baja California border region
  • California-Nevada border region
  • Central California
  • near the coast of Northern California
  • near the coast of Oregon
  • Nevada
  • Nevada
  • Northern California
  • off the coast of California
  • off the coast of Northern California
  • off the coast of Oregon
  • Oregon
  • Southern California
  • southern Idaho

Source: Flinn-Engdahl Regions from U.S. Geological Survey