Ancestry.com. 1910 United States Federal Census [database on-line]. Provo, UT: MyFamily.com, Inc., 2004. Indexed by ProQuest from microfilmed schedules of the 1910 U.S. Federal Decennial Census. Data imaged from National Archives and Records Administration. 1910 Federal Population Census. T624, 1,784 rolls. Washington, D.C.: National Archives and Records Administration. Summit Twp, Lake, South Dakota, ED 271, roll 1482, part 2, page 236B.