| Sources |
- [S12646] Ω Place Record: Hawthorne, Montgomery IA, Place Rec Id [P16508].
- [S10531] Ω Place Record: Montgomery IA, Place Rec Id [P13779].
- [S12645] Ω Place Record: Garfield, Montgomery IA, Place Rec Id [P16507].
- [S12641] Ω Place Record: Sidney Township (excl. Sidney town), Fremont IA, Place Rec Id [P16503].
- [S12635] Ω Place Record: Sidney, Fremont IA, Place Rec Id [P16496].
- [S12647] Ω Place Record: Fremont IA, Place Rec Id [P16509].
- [S12637] Ω Place Record: Red Oak, Montgomery IA, Place Rec Id [P16498].
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