aa: 120° a0" |_—-——-~+ 278, 687 22q0 (2 siz u ty) ont weed ee ate ween 20 forz Prk) Tt oft vig %7 H FIGURE A 7 RADIOACTIVE FALLOUT IN THE 24-HOUR PERIOD BEGINNING [230 G.CT, APRIL 4, 1954 “ey” activity teunst) PRECIPITATION fe LNT ‘» eT} 7 Pode sgt ETT nageTS ee ee aCTEVITY IN osmset? AT 100 Oavs® AFTER ouast ALL ACTIVITY 1S ASSIGNED TO BURST NO 1, BRAVO VALESS OTHERWISE INDICATED 8Y BUAST NUMBER IN PARENTHESES.

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