Burt, William Austin, 1792-1858Curtis, ArtemusA survey map of the northwest corner of Duncan Township in Houghton County, Michigan, measured in 1847 and 1851.JPEG2000b0512f7f-328a-4b8f-a59d-7d83ca2e01d5MI-T048N-R037WengDepartment of Natural Resources8888-003Public48N 37W - Survey Map of Duncan Township, Houghton County [Michigan]MapsMichigan--HoughtonT048N-R037W1847