Spatial Coverage
- Glacier National Park (Mont.)1
- Glacier National Park.1
- Grahamstown Region (South Africa)1
- Grand Canyon National Park (Ariz.)1
- Grant County1
- Graves County1
- Great Basin1
- Great Basin.1
- Greeley Region1
- Greenup County1
- Haleakala National Park1
- Hampden County1
- Hampshire County1
- Hardin County1
- Harrison County1
- Hawaii.1
- Hickman County1
- Hidalgo County1
- Hidalgo County.1
- Humacao Region1
