1. Plat of the United States road from Detroit to Chicago; as surveyed and marked by James McClosky, Jonah Baldwin and Laureat Durocher, commissioners; copied by John Farmer. Maps University Of Michigan Public content 1825. Baldwin, Jonah, Durocher, Laureat, Farmer, John, 1798-1859, McClosky, James, and United States. War Department. Engineer Bureau. Shows rivers, lakes, and Native American villages. 11 sections on 4 sheets; sheets 48 x 64 cm.