Subject Region
California
21
San Francisco Bay Area
8
San Francisco Bay Area (Calif.)
5
San Francisco
4
San Francisco (Calif.)
4
United States
4
Pacific Area
3
Los Angeles
2
Ballona Wetlands
1
Ballona Wetlands (Calif.)
1
Chavez Ravine (Los Angeles, Calif.)
1
Los Angeles (Calif.)
1
Los Angeles Metropolitan Area
1
Owens Valley
1
Owens Valley (Calif.)
1
Pasadena (Calif.)
1