The “Sketch of the Public Surveys in Michigan,” issued between 1840 and 1849 by the Surveyor General's Office, is a detailed cartographic representation of Michigan's early land surveys. This map prominently features the township grid system, outlining the organized layout for land distribution. It also labels key geographical features, including rivers, islands, and bays along the shores of Lakes Michigan, Huron, and Superior. The map serves as an essential historical document, reflecting…
