Burnham, Hiram, Parke, Hervey, Wampler, Joseph, 1783-1842 (1822). 09N 09E - Survey Map of Marathon Township, Lapeer County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_d3fda93f-a74a-473c-927f-963d514f0a36 (map)