It records in detail the major incidents of the march of the Montana Column, under command of Colonel John Gibbon, to participate in the Sioux campaign of 1876. Beginning on March 17, when five companies of the regiment left Fort Shaw, it traces the progress of the column and ends abruptly with the entry for June 26, when Gibbon's command camped on the site of present Crow Agency, Montana, amid abundant indications that Custer's Seventh Cavalry had met with disaster. A letter written by Bradley describing the finding of the bodies on the Custer battlefield on the Little Big Horn is appended to provide a fitting conclusion.<br>
