Cannon, George Henry, 1826-, Hodgson, John, Kidder, Arthur D., Richards, W. A. (Surveyor General) (1952). 37N 01E - Survey Map of Grant Township, Cheboygan County, page 6 [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_4751b442-b74c-4d71-a5ec-82f8d81cbcfc (map)