Brookfield, Noah, Cathcart, C. W. (Charles William), 1809-1888 (1837). 08N 09W - Survey Map of Grattan Township, Kent County, Page 1 [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_aa30fd3e-4674-4829-a4e4-733c806dc84a (map)