About this recording 6–156 President Richard M. Nixon White House operator July 18, 1971 White House Operator Richard M. Nixon Conversation No. 6-156 Date: Unknown between July 18 and July 19, 1971 Time: Unknown between 6:05 pm, July 18 and 6:26 pm, July 19, 1971 Location: White House Telephone The President talked with the White House operator. Call to Charles W. Colson 80 NIXON PRESIDENTIAL MATERIALS STAFF Tape Subject Log (rev. 10/08) Secret White House Tapes | Richard M. Nixon Presidency 6–156 Backward Play Stop Forward Download audio Previous 538-9 Next 262–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 262–1 audio icon 539–1 audio icon 539–10 audio icon 539–11 audio icon 539–12 audio icon 539–13 audio icon 539–14 audio icon 539–15 audio icon 6–158 audio icon 262–2 audio icon