Oahe Dam is located near Pierre, S.D. at River Mile 1,072.3. The first of the power house's seven 89,500-kilovolt generators was put into operation in March 1962.  On August 17, 1962, President John F. Kennedy came to the dam and officially dedicated the two generators.  The final generator went into operation in June 1963, completing the $340-million Oahe project.  By 1966, Oahe Dam was generating over 2 billion kilowatt-hours of electricity annually.
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