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b& TO SAC BIRMINGHAM (157-352-SF~2) FROM DIRECTOR FBI ee REURAIRTEL APRIL ONE, SIXTYFOUR. ADVISE BY RETURN AIRTEL IF MISUR AND TESUR SURVEY WILL INVOLVE TRESPASS. DO NOT roe PROCEED WITH SURVEY WITHOUT BUREAU AUTHORITY. 1 - Mr, Donahue~' ine RBL:nkr ~~ na LI« — (4) : he NOTE: If next radio contact missed, send.coded, deferred teletype, i — ~ The Birmingham Office has requested authority to conduct a.- survey to determine the feasibility of installing VIA eeba =| ENCIPHERED TELETYPE UNIT LI