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 |
 |
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| Big Grove 1845 |
Cedar 1846 |
Clear Creek 1841 |
East Lucas 1844 |
Fremont 1857 |
Graham 1857 |
Hardin 1858 |
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 |
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|
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 |
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| Jefferson 1854 |
Liberty 1846 | Lincoln 1870 |
Madison 1860 | Monroe | Newport 1846 |
Oxford 1856 |
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 |
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| Penn 1846 |
Pleasant Valley
1845 |
Scott 1846 |
Sharon 1858 |
Union 1854 |
Washington 1846 |
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Formation date is shown below each township name |
|
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| Johnson County |
West Lucas 1844 |
North Iowa City |
South Iowa City (partial) |
Iowa City today
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