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In three majority-Indian South Dakota counties, American Indians couldn't hold office until the 1980s. books.google.com.bo/books?id=mRnry5osH9gC&pg=PA152&lpg=PA152&dq=south+dakota+native+americans+county+office+prohibited&source=bl&ots=vxBXq7c-ei&sig=AgqBdqwidQKuimH2F6rULZdXxoo&hl=en&sa=X&redir_esc=y#v=onepage&q=south%20dakota%20native%20americans%20county%20office%20prohibited&f=false