Kratz, Gary L. (1978). 44N 02E - Survey Map of Raber Township, Pickford Township, and Sailors Encampment Island, Chippewa County, page 3 [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_f8cef6f7-458f-4cd9-b799-868f58a45ada (map)