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1970 South Dakota U.S. House District 1 Election
South Dakota · 2 candidates
Denholm +12.0 pts · won by 15,306 votes
Frank DenholmDemocraticWINNER55.98%
71,636 votes
Dexter H GundersonRepublican44.02%
56,330 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).