Spatial Coverage
- Albania17
- Estonia17
- Fairfield County (Conn.)17
- Gulf States17
- Louisiana.17
- Mississippi River17
- North Rhine-Westphalia (Germany)17
- Portugal.17
- Rhode Island.17
- Rio Arriba County17
- Tyrol (Austria)17
- Australia.16
- Berkeley16
- Berkeley (Calif.)16
- Cuba16
- Dakota Territory16
- Hawaii.16
- Johnson County16
- Lithuania16
- Los Angeles County (Calif.)16
