Ancestry.com. 1870 United States Federal Census [database on-line]. Provo, UT: MyFamily.com, Inc., 2003. Indexed by Ancestry.com from microfilmed schedules of the 1870 U.S. Federal Decennial Census. Original data: Data imaged from National Archives and Records Administration. Ninth Census of the United States, 1870. M593, 1,761 rolls. Minnesota Census Schedules for 1870. T132, 13 rolls. National Archives and Records Administration, Washington D.C. Cromwell, Ohio, Kentucky, post office Hartford, roll 492, page 406, image 185.