Burt, William Austin, 1792-1858A survey map of a small portion of Grant Township in Keweenaw County, Michigan, measured in 1845.JPEG2000691c1352-49bb-40f6-92a5-b38f69bbc501MI-T058N-R030WengDepartment of Natural Resources8888-003Public58N 30W - Survey Map of Grant Township, Keweenaw County, page 2 [Michigan]MapsMichigan--KeweenawT058N-R030W1845