The 1880 Traill County, North Dakota, Census contains 93 pages (census images) in Enumeration Districts 66 through 68. In Enumeration District 66, page 66-05 should actually appear between pages 66-07 and 66-08. The name of each image file is the page number. (In the case of 1880, 1900, 1910, and 1920 census, the file name includes both the Enumeration District and the page number.) The following is a breakdown showing which county subdivisions are enumerated in each Enumeration District: Ranges 49-50: ED 66 Ranges 51-52: ED 67 All of county west of Range 52: ED 68