Burt, William Austin, 1792-1858Houghton, Douglass, 1809-1845A survey map of a portion of Schoolcraft Township and Calumet Township in Houghton County, and Sherman Township in Keweenaw County, Michigan, measured in 1845.JPEG20009df93829-d6d1-4d93-9f2b-4ee01898c89dMI-T056N-R032WengDepartment of Natural Resources8888-003Public56N 32W - Survey Map of Schoolcraft Township, Calumet Township, and Sherman Township, Houghton and Keweenaw Counties [Michigan]MapsMichigan--HoughtonT056N-R032W1845