1. Albion Township, Butler, Iowa, United States 
2. Allison, Butler, Iowa, United States 
3. Aplington, Butler, Iowa, United States 
4. Aredale, Butler, Iowa, United States 
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5. Austinville, Butler, Iowa, United States 
6. Bristow, Butler, Iowa, United States 
7. Butler Township, Butler, Iowa, United States 
8. Butler, Iowa, United States 
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9. Clarksville, Butler, Iowa, United States (1)
10. Dumont, Butler, Iowa, United States 
11. Kesley, Butler, Iowa, United States 
12. Ripley Township, Butler, Iowa, United States 
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