[S7] 1880 United States Federal Census, Ancestry.com and The Church of Jesus Christ of Latter-day Saints, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2010;), Year: 1880; Census Place: Groveland, Oakland, Michigan; Roll: 598; Family History Film: 1254598; Page: 109B; Enumeration District: 253; Image: 0660.
Record for Jacob Erwin http://search.ancestry.com/cgi-bin/sse.dll?db=1880usfedcen&h=31553157&indiv=try
1880 United States Federal Census Year: 1880; Census Place: Groveland, Oakland, Michigan; Roll: 598; Page: 109B; Enumeration District: 253