"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:V19R-15R : 5 January 2021), Colleen Schmitt in household of Joe Schmitt, Rock Creek Township, Miner, South Dakota, United States; citing enumeration district (ED) 49-17, sheet 3B, line 54, family 54, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 3862.
