- CA-Hum-54, Humboldt County, California1
- CA-Hum-58, Humboldt County, California2
- CA-Hum-59, Humboldt County, California1
- CA-Hum-6 (Chumi or Djome), Humboldt County, California1
- CA-Hum-66, Humboldt County, California1
- CA-Hum-67 (Tolowot), Humboldt County, California1,006
- CA-Hum-68, Humboldt County, California23
- CA-Hum-76, Humboldt County, California10
- CA-Hum-80, Humboldt County, California1
- CA-Hum-NL-1 (Sandspit Mound), Humboldt County, California4
- CA-Hum-NL-10, Humboldt County, California4
- CA-Hum-NL-12 (Chinach), Humboldt County, California2
- CA-Hum-NL-2 (Sigonoi), Humboldt County, California14
- CA-Hum-NL-3, Humboldt County, California27
- CA-Hum-NL-4, Trinidad, Humboldt County4
- CA-Hum-NL-5 (Metsko), Humboldt County, California7
- CA-Hum-NL-7, Trinidad, Humboldt County11
- CA-Hum-NL-8, Humboldt County, California4
- CA-Hum-NL-9, Big Lagoon, Humboldt County6
- CA-Imp-13, Imperial County, California7