- North America19 objects
- The Americas19 objects
- Great Plains, North America14 objects
- Central Plains, Great Plains, North America5 objects
- United States4 objects
- Northwestern United States2 objects
- Wyoming2 objects
- Blackfoot Reservation, Canada1 objects
- Canada1 objects
- Casper, Natrona, Wyoming1 objects
- Natrona, Wyoming1 objects
- Northern central United States1 objects
- Oklahoma1 objects
- Pine Ridge Reservation, South Dakota1 objects
- South Dakota1 objects
- Southern central United States1 objects
- Wind River County, Wyoming1 objects
- Wind River, Wind River County, Wyoming1 objects
- Wounded Knee, Pine Ridge Reservation, South Dakota1 objects