FamilySearch (https://familysearch.org/ark:/61903/1:1:X7WL-LCB : accessed 27 October 2018), Martin Christensen, Pinegrove, Douglas, Colorado, United States; citing enumeration district (ED) ED 1, sheet 3A, line 30, family 55, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 232; FHL microfilm 2,339,967. (Deed) - Martin Christensen, "United States Census, 1930" » Quellen » Généalogie Hoffet » Genealogie Online"> FamilySearch (https://familysearch.org/ark:/61903/1:1:X7WL-LCB : accessed 27 October 2018), Martin Christensen, Pinegrove, Douglas, Colorado, United States; citing enumeration district (ED) ED 1, sheet 3A, line 30, family 55, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 232; FHL microfilm 2,339,967. (Deed) - Martin Christensen, "United States Census, 1930" » Quellen » Généalogie Hoffet » Genealogie Online">
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X7WL-LCB : accessed 27 October 2018), Martin Christensen, Pinegrove, Douglas, Colorado, United States; citing enumeration district (ED) ED 1, sheet 3A, line 30, family 55, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 232; FHL microfilm 2,339,967. - Martin Christensen, "United States Census, 1930"
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