Spatial Coverage
- Gila County1
- Gila County.1
- Glacier National Park (Mont.)1
- Grass Valley1
- Grass Valley (Calif.)1
- Greene County1
- Greenup County1
- Gulkana River Region (Alaska)1
- Gullkana River Region1
- Hawaii1
- Hawaii.1
- Haywood County (N.C.)1
- Idlewild (Mich.)1
- Imperial County (Calif.)1
- India, Northeastern1
- Indian Territory1
- Indiana1
- Inyo County (Calif.)1
- Iraq1
- Isanti County (Minn.)1
