- North America74 objects
- The Americas74 objects
- Great Plains, North America59 objects
- United States15 objects
- Northern central United States11 objects
- South Dakota10 objects
- Northwestern United States4 objects
- Columbia Plateau, United States3 objects
- Pine Ridge, South Dakota3 objects
- Rosebud Reservation, Todd County, South Dakota3 objects
- Todd County, South Dakota3 objects
- Idaho1 objects
- Iowa1 objects
- Rosebud, Todd County, South Dakota1 objects
- Southern Plains, Great Plains, North America1 objects