Region
- Alabama 2 results
- Alcatraz Island 4 results
- Alcatraz Island (Calif.) 2 results
- America 4 results
- American River 2 results
- American River (Calif.) 2 results
- American River Watershed 2 results
- American River Watershed (Calif.) 2 results
- Arizona 4 results
- Artesia Region (N.M.) 2 results
- Australia 4 results
- Avalon 2 results
- Avalon (Calif.) 2 results
- Baja California (Mexico : Peninsula) 2 results
- Baja California (Peninsula) 2 results
- Berkeley 22 results
- Berkeley (Calif.) 2 results
- Berlin (Germany) 2 results
- Boston 2 results
- Boston (Mass.) 2 results
- Brazil 2 results
- Calexico 2 results
- Calexico (Calif.) 2 results
- California
- California, Northern 4 results
- California, Southern 4 results
- Californie 20 results
- Californie (États-Unis) 2 results
- Canada 2 results
- Carmel River Region 2 results
- Central America 4 results
- Central Valley 4 results
- Central Valley (Calif. : Valley) 4 results
- Central Valley (Valley) 2 results
- Channel Islands 4 results
- Channel Islands (Calif.) 4 results
- Chicago 2 results
- Chicanos 2 results
- China 4 results
- Chinatown (San Francisco, Calif.) 4 results
- Chávez Ravine (Los Angeles, Calif.) 2 results
- Cincinnati 2 results
- Cincinnati (Ohio) 2 results
- City of Industry 2 results
- City of Industry (Calif.) 2 results
- Coachella Valley 2 results
- Coachella Valley (Calif.) 2 results
- Colorado River (Colo.-Mexico) 2 results
- Contra Costa County 2 results
- Contra Costa County (Calif.) 2 results more…