Weeks, William A.A survey map of an island in Sage Lake within Hill Township in Ogemaw County, Michigan, measured in 1905.JPEG200030c7d0b0-84cb-445f-84a5-2c559e4ddf7dMI-T023N-R004EengDepartment of Natural Resources8888-003Public23N 04E - Survey Map of Hill Township, Ogemaw County, page 2 [Michigan]MapsMichigan--OgemawT023N-R004E1905