About this recording 28–13 President Richard M. Nixon White House operator July 31, 1972 White House Operator Richard M. Nixon Conversation No. 28-13 Date: July 31, 1972 Time: 4:06 pm Location: White House Telephone The President talked with the White House operator. [See Conversation No. 757-1] Request for a call to Charles W. Colson Secret White House Tapes | Richard M. Nixon Presidency 28–13 Backward Play Stop Forward Download audio Previous 198–9 Next 758–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 758–1 audio icon 758–10 audio icon 351–10 audio icon 351–11 audio icon 758–11 audio icon 758–12 audio icon 351–12 audio icon 758–13 audio icon 351–13 audio icon 351–14 audio icon