- Northwestern United States265 objects
- Northeastern California260 objects
- Mendocino County, California247 objects
- near Weitchpec, Klamath River, Humboldt County224 objects
- Round Valley Reservation, Mendocino County, California209 objects
- Weitchpec, Humboldt County, California202 objects
- Nevada185 objects
- Pyramid Lake Reservation, Washoe County, Nevada162 objects
- Washoe County, Nevada162 objects
- Pyramid Lake, Washoe County, Nevada161 objects
- Madera County, California151 objects
- Coconino County, Arizona141 objects
- Havasupai Indian Reservation, Coconino County, Arizona138 objects
- Lake County, California135 objects
- San Diego County, California135 objects
- Mesa Grande, San Diego County, California120 objects
- Pima County, Arizona113 objects
- San Joaquin Valley, California111 objects
- Santa Rosa Village, Tohono O'odham Nation Reservation, Pima County111 objects
- Tohono O'odham Nation Reservation, Pima County, Arizona111 objects