oe
8000
8
s
70,000
3
$
2—_—
b.
mf
terre
Pr oT
i
80,000
30,000
20,000
10,000
Friavze 1.—Upper winds at shot time.
zi + FYINNS SUN AP pat ep ete t eee
100,000
Phas yg poLega ppp apes of ff
et
$10,606
*
oP
120,000
FEET
mrt
oo
RADIOACTIVE FALLOUT AND ITS EFFECTS ON MAN
Arrows blow with the winds, and barbs
‘oo
oneal
eel
w__f
\,
g
tog
indicate wind speed; full barb, 10 knots; one-half barb, 5 knots.