Jefferson Township is a township in Polk County, Iowa, United States. [1]
Jefferson Township was established in 1851. [2] The town of Herrold was established in the township in 1915 and purchased by the U.S. Army Corps of Engineers in 1990 for use as a military exercise range for Camp Dodge. [3]
41°44′N 93°46′W / 41.73°N 93.77°W / 41.73; -93.77
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