1880 Census, Foster 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) 514A = 78-09 514B = 78-10 515C = 78-11