ACO Za @ TT roerey 100e- 14.. EH KAB“EFLILS t FA prey - lOE- ~ - => . f ; 3 | Ic . - m—H x NL kL Oo af 7 25220058 | Ol i Le ppygyl ' 1 we A ies DAYS AFTER MARCH |, 1954 aun fok- Fig. 1. Decline over a 4-year period following the March 1, 1954 detonation at Bikini Atollof gross beta radioactivity as measured in methane flow counters using samples of tissues of reef fishes collected at the indicated times at Kabelle I., Rongelap Atoll. "R'' shows the time of the Redwing series. Tae = ote

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