About this recording 900–30 United States Secret Service April 18, 1973 United States Secret Service Conversation No. 900-30 Date: April 18, 1973 Time: Unknown between 7:58 am and 8:11 am Location: Oval Office Unknown men [United States Secret Service (USSS) agents ?] met. President’s schedule -Executive Office Building [EOB] The unknown met [USSS agents ?] left at an unknown time before 8:11 am. Secret White House Tapes | Richard M. Nixon Presidency 900–30 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