About this recording 21–45 President Richard M. Nixon White House operator March 12, 1972 White House Operator Richard M. Nixon Conversation No. 21-45 Date: March 12, 1972 Time: 7:46 pm Location: White House Telephone The President talked with the White House operator. Request for a call to John D. Ehrlichman Secret White House Tapes | Richard M. Nixon Presidency 21–45 Backward Play Stop Forward Download audio Previous 682–9 Next 683–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 683–1 audio icon 684–1 audio icon 683–10 audio icon 323–10 audio icon 683–11 audio icon 323–11 audio icon 683–12 audio icon 323–12 audio icon 683–13 audio icon 323–13 audio icon