25 THEORETICAL FALLOUT NARROW BAND —| 40 ( T = 10 YRS.) (6561 - 8561) ojjut esoabs/6-0} 20394))u 0678 use) Oj, oxonbs/01202})118 995 L cy 30 | 2 20 | " __ 10 SAN, ‘59 4AN,, 1957 39 JAN., 1958 60° ’ SOUTH 30° 60° 30° NORTH 90° FIGURE 13 "DomARCHIVES « 2 mt ila lle Me

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