Atlas of Gratiot County, Michigan; compiled by E. L. Hayes ; assistants: E. W. Dixon, Wm. T. Pitt.
Imperial atlas of Gratiot County, Michigan : drawn from original surveys and field notes, official county records and other authentic sources. ; Boston, Mass.: National Publishing Co., 1901., page 21
Note: it is uncertain when the maps were actually researched, so we can only go by the publishing dates of the containing atlases.
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