About this recording 466–20 President Richard M. Nixon White House operator March 11, 1971 White House Operator Richard M. Nixon Conversation No. 466-20 Date: March 11, 1971 Time: 6:35 pm Location: Oval Office The President talked with the White House operator Thelma C. (Ryan) (“Pat”) Nixon Secret White House Tapes | Richard M. Nixon Presidency 466–20 Backward Play Stop Forward Download audio Previous 465–9 Next 467–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 467–1 audio icon 467–10 audio icon 467–11 audio icon 467–2 audio icon 467–3 audio icon 467–4 audio icon 467–5 audio icon 467–6 audio icon 467–7 audio icon 467–8 audio icon