1880 Census, Morton County, North Dakota Conversion of stamped page numbers (used on LDS 1880 Census CDs) to file names (Enumeration District Number & handwritten page number, used for USGenWeb Archives filenames) stamped Enumeration District Number numbers = & handwritten page number (used on (file names used LDS CDs) in USGenWeb Archives) 46A = 101-01 46B = 101-02 47C = 101-03 47D = 101-04