Tags
- Alameda County, California
- Bay
- California
- Celebrate
- City council
- Council
- Day
- Earth
- Earth Day
- Geographic coordinate system
- Geographic Names Information System
- Golden Gate National Recreation Area
- Illegal dumping
- Interstate 580
- Interstate 880
- Moraga, California
- National Volunteer Week
- Oakland, California
- Oakland Hills, Oakland, California
- Park maintenance
- Plastic production
- Redwood Regional Park
- River mouth
- Rivers of california
- San Francisco Bay
- San Leandro Bay
- Save the Bay
- Sequoia sempervirens
- United States
- United States Department of the Interior
- United States Geological Survey
- Wayback Machine
- What