Burt, William Austin, 1792-1858, Hubbard, Bela, 1814-1896, Ives, William (1845). 51N 26W - Survey Map of Powell Township, Marquette County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_d6d26983-4dfc-4f0f-b4c9-c9a7e7a45234 (map)