Michigan meridian

U.S. Bureau of Land Management map showing the principal meridians in Michigan and Wisconsin
The Michigan meridian is clearly visible in the map of Native American land cessions in Michigan

The Michigan meridian is the principal meridian (or north–south line) used as a reference in the Michigan Survey, the survey of the U.S. state of Michigan in the early 19th century. It is located at 84 degrees, 21 minutes and 53 seconds west longitude.[1] It forms the boundary between several counties in the state.

  1. ^ Dept. of the Army, United States (1964). Special surveys (2nd ed.). New York: Headquarters, Department of the Army. p. 68.