About this recording 7–57 H. R. Haldeman White House operator August 2, 1971 H. R. Haldeman White House Operator Conversation No. 7-57 Date: August 2, 1971 Time: Unknown between 1:19 pm and 11:07 pm Location: White House Telephone H. R. (“Bob”) Haldeman talked with the White House operator. [See Conversation No. 553-6P] Requested a call to Clark MacGregor Secret White House Tapes | Richard M. Nixon Presidency 7–57 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