Lae —4-. wi |e t wef oe eee ow te Qo oF -{ —— oe PRECIPITATION Avlivel fam OFF? aT 10 GAYS AFTER BURST _4 { | 4 UNLESS OTHERMISE INDICATED BY BURST UNGER 10 PARENTHESES ff ALL aerWiTy 1 Assigneo To BURST WO 1 BAO, } ACTIVITY ~immnene © ede ee 4 mey. RADIOACTIVE FALLOUT IN THE 24-HOUR PERIOD BEGINNING |. 1230 GGT, FEBRUARY28, 1954 On 2 lar -oxf? da. u % e ee “| FIGURE Al x Le we sy rit OB Fane ° ee “" 4,1 228

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