{"conversationCode":"483-021","tapeNumber":483,"conversationNumber":21,"identifier":"37-wht-conversation-483-021","startDateTime":"1971-04-20T22:14:00.000Z","endDateTime":"1971-04-20T22:17:00.000Z","startDate":"20-Apr-1971","startTime":"5:14 PM","endDate":"20-Apr-1971","endTime":"5:17 PM","dateCertainty":"certain","timeCertainty":"estimated","participants":"Nixon, Richard M. (President); Butterfield, Alexander P.; Mitchell, John N.; Haldeman, H. R. (\"Bob\");","description":"On April 20, 1971, President Richard M. Nixon, Alexander P. Butterfield, John N. Mitchell, and H. R. (\"Bob\") Haldeman met in the Oval Office of the White House at an unknown time between 5:14 pm and 5:17 pm. The Oval Office taping system captured this recording, which is known as Conversation 483-021 of the White House Tapes.","locationCode":"OVAL","recordingDevice":"Oval Office","latitudeEstimated":38.8974,"longitudeEstimated":-77.0374,"chronCode":1,"chronRelease":"First Chronological Release","chronReleaseDate":"5-Oct-1999","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 483-21\n\nDate: April 20, 1971\nTime: Unknown between 5:14 pm and 5:17 pm\nLocation: Oval Office\n\nThe President met with Alexander P. Butterfield, John N. Mitchell and H.R. (“Bob”) Haldeman.\n\n     The President's schedule\n          -Previous photo session\n\n******************************************************************************\n\n[Previous PRMPA Personal Returnable (G) withdrawal reviewed under deed of gift 02/21/2020.\nSegment cleared for release.]\n[Personal-Returnable]\n[483-021-w001]\n[Duration: 26s]\n\n       Alexander P. Butterfield’s trip to Puerto Rico\n             -Length of trip\n             -Base\n\n******************************************************************************\n\nThe conversation was cut off at an unknown time before 5:17 pm.","filename":["483-021.mp3"],"tapeStart":"04:44:28","tapeEnd":"04:45:50","participantsList":["Nixon, Richard M. (President)","Butterfield, Alexander P.","Mitchell, John N.","Haldeman, H. R. (\"Bob\")"],"prevCode":"483-020","nextCode":"483-022","transcript":[{"start":2.43,"end":7.88,"text":"All right."},{"start":8.35,"end":13.9,"text":"How are you doing?"}],"aiSummary":{"text":"President Nixon met with Alexander P. Butterfield, John N. Mitchell, and H. R. Haldeman to briefly review matters following a photo session. The discussion focused on logistical details regarding a planned trip by Butterfield to Puerto Rico, specifically concerning the duration and base of operations for the visit. The brief exchange concluded before any further administrative or political business could be addressed.","topics":["Alexander P. Butterfield","Puerto Rico","Presidential scheduling","White House logistics"],"generatedAt":"2026-04-06T21:49:32.195Z"},"topicSlugs":["alexander-p-butterfield","puerto-rico","presidential-scheduling","white-house-logistics"],"audioDurationSec":40,"audioFiles":[{"file":"483-021.mp3","bytes":964857,"durationSec":40.15,"bitrate":192270,"missing":false}],"audioIsShared":false,"audioProbedAt":"2026-09-18T02:19:48.989Z","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/483-021.mp3"],"url":"https://www.easynixon.org/tapes/483-021","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/483/conversation-483-021","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}