Clark, Robert Jr., Risdon, Orange, 1786-1876 (1831). 10N 05W - Survey Map of Crystal Township, Montcalm County, Page 1 [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_6b25af7a-d65f-4f96-8a71-693b4fea5cde (map)