Keywords: Samuel Danford Nicholson.jpg Portrait of Congressman Samuel Danford Nicholson http //bioguide congress gov/scripts/biodisplay pl index N000101 Congressional Pictorial Directory United States Congress Public Domain PD-old Immigrants to the United States from Canada Ethnic groups in the United States Government of Colorado 1923 deaths 1859 births Senators of the United States from Colorado Politicians of the Republican Party United States Miners from the United States Businesspeople from the United States Burials in the United States People of Prince Edward Island |