Census Links- United States > Montana > Powder Riverhttp://censuslinks.com/United-States/Montana/Powder_River/Census, Birth, Death, Marriage Transcriptions on the Internet 1920 Census Index, Powder River County, Montan http://files.usgwarchives.net/mt/powderriver/census/1920cen.txt1920 Census Index, Powder River County, MontanWed, 20 Jul 2011 03:08:21 GMT