- California36 objects
- Humboldt County, California36 objects
- North America36 objects
- Northern California36 objects
- Northwestern California36 objects
- The Americas36 objects
- United States36 objects
- Humboldt Bay, Humboldt County, California24 objects
- CA-Hum-67 (Tolowot), Humboldt County, California18 objects
- Gunther Island, Humboldt Bay, Humboldt County18 objects
- Eel River, Humboldt County, California11 objects
- Lower Coleman Creek (CA-Hum-11, 12, or 13), Humboldt County, California11 objects
- Arcata Bay, Humboldt Bay, Humboldt County5 objects
- Brainard area, Humboldt County, California5 objects
- CA-Hum-49 or CA-Hum-50, Humboldt County, California5 objects
- CA-Hum-66, Humboldt County, California1 objects
- CA-Hum-NL-5 (Metsko), Humboldt County, California1 objects
- Humboldt County coast, Humboldt County, California1 objects
- Woodley Island, Humboldt Bay, Humboldt County1 objects