Burton, John W. (John Wear), 1915-2010, Merryweather, Algernon (1845). 41N 19W - Survey Map of Nahma Township, Delta County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_0b1e4349-face-4f0d-bb70-5eefd8a9c73f (map)