Hitchcock had its own newspaper, the Hitchcock News-Leader. You can contact the SD State Archives for the obituary.
http://history.sd.gov/Archives/feeschedule.aspxThe Hitchcock newspaper is not available at the Huron Public Library.
Doland also had a newspaper in 1919. See: South Dakota State Archives Newspaper Search Form
http://history.sd.gov/forms/NewspaperArchive.aspx