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March 28, 1873 -
OGEMAW re-created from IOSCO.
(Mich. Acts 1873, reg. sess., no. 338/p. 85)
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April 01, 1840 -
March 07, 1867
OGEMAW created from Non-County Area 2 attached to SAGINAW.
(Mich. Acts 1840, ann. sess., no. 119, secs. 13, 35/pp. 197, 200)
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