1. Bancroft, Iowa, USA
2. Bayard, Iowa, USA
3. Belle Plaine, Iowa, USA
4. Bellevue, Iowa, USA
5. Bellville Township, Iowa, USA
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6. Belmond, Iowa, USA
7. Black Hawk County, Iowa, USA
8. Blairstown, Iowa, USA
9. Bloomfield, Iowa, USA
10. Boone, Iowa, USA
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11. Boulder Township, Iowa, USA
12. Bristol Township, Iowa, USA
13. Burchinal, Iowa, USA
14. Burlington, Iowa, USA
15. Byrd, Iowa, USA
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