- Hopi Reservation, Navajo County, Arizona9 objects
- Navajo County, Arizona9 objects
- Alaska8 objects
- Great Basin, United States8 objects
- Second Mesa, Hopi Reservation, Navajo County8 objects
- Western Washington7 objects
- Imperial County, California5 objects
- Southeastern California4 objects
- Columbia River, Oregon and Washington3 objects
- Louisiana3 objects
- Northeastern United States3 objects
- Puget Sound, Western Washington3 objects
- Southern central United States3 objects
- Columbia Plateau, United States2 objects
- New Mexico2 objects
- Northern Sierras, Northern California2 objects
- Oregon2 objects
- Southern Alaska2 objects
- Aleutian Islands, Alaska1 objects
- Aleutians East Borough, Alaska1 objects