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Region
- Accra (Ghana)1
- Africa1
- AlaskaHaines1
- AlaskaHomer1
- American SamoaTutuila Island1
- Anderson County (S.C.)1
- Andhra Pradesh (India)1
- Appalachian Region4
- Arizona1
- ArizonaMaricopa County1
- ArizonaSalt River Valley (Gila County and Maricopa County)2
- ArizonaTucson Aqueduct1
- Arkansas1
- Arkansas River Valley1
- Armenia1
- Asia1
- Asia, Central1
- Assyria1
- AustraliaHobart (Tas.)1
- Balkan Peninsula1