Spatial Coverage
- Grand Canyon1
- Grand Canyon (Ariz.)1
- Grand Canyon National Park1
- Grand Canyon National Park (Ariz.)1
- Grand Canyon National Park.1
- Grand Canyon.1
- Hualapai Indian Reservation1
- Hualapai Indian Reservation (Ariz.)1
- Hualapai Indian Reservation.1
- Marysvale Region1
- Middle West1
- Middle West.1
- Mohave County1
- Mohave County.1
- San Miguel County1
- San Miguel County.1
- South Platte River Watershed (Colo. and Neb.)1
- South Platte River Watershed.1
- Southern States1
- Southern States.1