About this recording 6–178 President Richard M. Nixon White House operator July 21, 1971 White House Operator Richard M. Nixon Conversation No. 6-178 Date: July 21, 1971 Time: Unknown between 4:46 pm and 5:14 pm Location: White House Telephone The President talked with the White House operator. Call to John D. Ehrlichman -George P. Shultz Secret White House Tapes | Richard M. Nixon Presidency 6–178 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 0:00 Download audio Previous 949–9 Next 450–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 450–1 audio icon 47–1 audio icon 450–10 audio icon 450–11 audio icon 450–12 audio icon 450–13 audio icon 450–14 audio icon 450–15 audio icon 450–16 audio icon 450–17 audio icon