Collection place
- Contra Costa County, California40 objects
- Oakley, Contra Costa County, California40 objects
- San Francisco County, California40 objects
- San Francisco, San Francisco County, California40 objects
- Eastern Africa38 objects
- San Francisco Waterfront, San Francisco, San Francisco County38 objects
- Western Africa38 objects
- Interior Alaska35 objects
- Yukon-Koyukuk Census Area, Alaska35 objects
- South America34 objects
- Klamath River below Weitchpec, Humboldt County, California32 objects
- Weitchpec, Humboldt County, California32 objects
- near Weitchpec, Klamath River, Humboldt County32 objects
- Oceania30 objects
- Central Africa29 objects
- Malay Peninsula, Southeast Asia29 objects
- Tanana River, Yukon-Koyukuk Census Area, Alaska28 objects
- Central California27 objects
- Congo Basin, Africa26 objects
- North Central California26 objects