Other than a few Nixon aides and the Secret Service, visitors to the Oval Office had no clue that whatever they said to President Richard Nixon would be preserved for posterity.

That was certainly true for the two men from Alaska who visited Nixon at 3:56 p.m. on March 15, 1973 -- the newly elected congressman from Alaska, Don Young, and the state Republican leader who directed Young's campaign, Jack Coghill.

Read more: Nixon took time out from Watergate to plot politics with Young, Coghill