- Navajo County, Arizona202 objects
- Northeastern Arizona202 objects
- CA-SBr-2, San Bernardino County, California185 objects
- CA-SBa-477, Santa Barbara County, California140 objects
- Site V, Navajo County, Arizona139 objects
- Hopi Reservation, Coconino County, Arizona108 objects
- Los Angeles County, California107 objects
- CA-Sta-5, Stanislaus County, California103 objects
- Baja California peninsula, Mexico91 objects
- Baja California, Mexico91 objects
- Mexico91 objects
- Northern Mexico91 objects
- Northwest Mexico91 objects
- Santa Monica Mountains, Los Angeles County, California90 objects
- San Francisco Bay Area, California89 objects
- Napa County, California85 objects
- Berryessa Valley, Napa County, California83 objects
- Site A, Coconino County, Arizona83 objects
- Malibu, Santa Monica Mountains, Los Angeles County82 objects
- Point Dume, Malibu, Santa Monica Mountains82 objects