Jesuit Father Marquette set up a mission in St. Ignace in 1671 from which he and Louis Jolliet would explore and map Lake Michigan and the northern portion of the Mississippi River.
Jesuit Father Marquette set up a mission in St. Ignace in 1671. From May 17,1673 until Marquette's death near Ludington May 18,1675, Father Marquette and Louis Jolliet explored and mapped Lake Michigan and the northern portion of the Mississippi River.