52N 36W - Survey Map of Elm River Township and Portage Township, Houghton County: Michigan
Description:
A survey map of an eastern portion of Elm River Township and a small western portion of Portage Township in Houghton County, Michigan, measured in 1845 and 1846.
Creator:
Burt, William Austin, Higgins, Hiram, and Hubbard, Bela