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Region
- Minnesota5
- FloridaHillsborough County4
- Hong Kong (China)4
- Appalachian Region3
- Georgia3
- Hawaii3
- New York (State)Oneida County3
- ArizonaSalt River Valley (Gila County and Maricopa County)2
- California2
- ChinaHong Kong2
- FinlandHelsinki2
- FloridaHighlands County2
- Haiti2
- HawaiiHonolulu2
- Helsinki (Finland)2
- High Plains Aquifer2
- Honduras2
- Honolulu (Hawaii)2
- Hungary2
- Kansas2